动 leave out，be missing，forget to bring，leave behind；

[例句] 球直接落到了克林斯曼的脚上。 The ball fell straight to the feet of Klinsmann.

[例句] 他正拿着一块布，布上粉红色的水滴落在地板上。 He was holding a cloth that dripped pink drops upon the floor.

decline，be on the wane，go downhill，fading，break up ；

[例句] 由于越来越难以收回成本，可可产业日渐衰落。 The cocoa industry dwindled because it became increasingly difficult to cover costs.

[例句] 美元的衰落给总是担惊受怕的投资者们带来了信心。 The declining dollar gave heart to skittish investors.

descend，fall alight，land，touch down，descent ；

[例句] 飞机获准降落于不伦瑞克的格林科机场。 The plane had been cleared for landing at Brunswick's Glynco Airport.

[例句] 飞机由于发生电力故障而作了临时降落。 The aircraft made an unscheduled landing after developing an electrical fault.

fall to the ground，be born ；

[例句] 我不会试图一字不落地记住讲话要说的内容。 I don't try to memorize speeches word for word.

[例句] 轮椅网球选手可以等球落地两次再击球。 The wheelchair tennis player is allowed two bounces of the ball.

community，cenosis，coenosis，coenosium ；

[例句] 在群落交错区范围内,通常划定群落片段的边界并不太困难. The delimitation of stands within ecotons generally gives on difficulties.

[例句] 对于陆地群落,最主要是可用性和温度. For terrestrial communities the principal variables are availability and temperature.

drop，fall off，[植] exfliation，abscission，break off ；

[例句] 如果你的排气管脱落，应将其更换。 When your exhaust falls off, you have to replace it.

[例句] 车子底盘的3块隔热板已经脱落了。 Three insulating panels had come adrift from the base of the vehicle.

whereabouts，drop，fall ；

[例句] 他追查到了堂弟和叔叔的下落，发现叔叔这时正在病中。 He tracked down his cousin and uncle. The latter was sick.

[例句] 自由下落表演 a free fall display

fall behind，lag behind，backward，draggle，drop behind ；

[例句] 埃利奥特跨过终点线时仅比对手落后半秒钟。 Elliott crossed the finish line just half a second behind his adversary.

[例句] 他在2比4落后的情况下实现逆转闯进1/4决赛。 He recovered from a 4-2 deficit to reach the quarter-finals.

(of water, prices, etc.) rise and fall，fluctuate，eat and flow，swing ；

[例句] 海潮的涨落 the ebb and flow of the tide

[例句] 海潮的涨落确实是个奇观. The ebb and flow of the sea is certainly a sight to behold.

subside，sink in，fall into enemy's hands，cave in，cave-in ；

[例句] 一枪未发堡垒就陷落敌手. The fort fell into the enemy's hands without a shot being fired.

[例句] 随着一声宣告：“帕福斯陷落啦！”，聚集在一起的士兵爆发出一阵欢呼声。 With the announcement "Paphos has fallen!" a cheer went up from the assembled soldiers.

fallen leaves，[植]deciduous leaf，defoliation，defoliate，shatter；

[例句] 绵羊边吃边走，穿行在厚厚的一层黄色落叶中间。 Sheep were munching their way through a yellow carpet of leaves.

[例句] 我的院子里的落叶越来越厚。 The carpet of leaves in my yard became more and more noticeable.

dahurian larch，larix gmelini，epinette，larch ；

[例句] 大多数落叶松具有脆弱的枝条,并且下部枝条开花较少. Most larches have brittle branches and produce relatively few flowers on lower branches.

[例句] 这棵松树是落叶松, 适合生长在温带. This pine is called the larch, it grows well in temperate zones.

monkey hammer，drop breaker，drop-board hammer （夹板），block hammer，drop hammer ；

[例句] 管道防腐层抗冲击性试验方法 ( 落锤试验法 ) Test method for impact resistance of pipeline coatings ( falling weight test )

[例句] 落锤式弯沉仪的出现适应了这一需求. The presence of Falling Weight Deflectometer meets this need.

ecptoma，slump，incidence，alight，devolution ；

[例句] 伊万斯得了风湿热，没去上课，功课也落下了。 Evans had rheumatic fever, missed school and fell behind.

[例句] 在他求救的同时我能听到拳头落下的声音。 I could hear the blows landing as he appealed for help.

go downhill，degenerate，fall [drop] by the way side，go to the bad，backslide；

[例句] 贝内特发起了一场捍卫“道德价值”、反对腐朽堕落的“自由相对论”的战争。 Bennett launched a crusade for "moral values" against decadent "liberal relativism."

[例句] 1766年，他以“堕落地享乐”为由将那个村庄逐出教会。 In 1766 he excommunicated the village for its "depraved diversion."

fall，drop，falling，go down，pitch；

[例句] 有人坠落压在他身上，致使他颈部受重伤。 He sustained serious neck injuries after he broke someone's fall.

[例句] 发射后不久，火箭就失控坠落了。 The rocket tumbled out of control shortly after lift-off.

unfrequented，desolate，treat coldly，cold-shoulder，absent treatment ；

[例句] 汽车旅馆老板和饭店经理因为冷落顾客而受到责骂。 Motel owners and restaurant managers copped it for neglecting their clients.

[例句] 交际花塔玛拉·贝克威思因为在聚会上受到冷落而恼怒。 It-girl Tamara Beckwith was livid at being turned away from the party.

village，hamlet ；

[例句] 很多难民村落都在偏远地区。 Many of the refugee villages are in isolated areas.

[例句] 乡村村落彼此离得很远，而且通常规模很小。 Rural communities are widely separated and often small.

decline，wane，[光] sinking，come down ；

[例句] 现在两人的事业都到了没落期。 Now both men are in the twilight of their careers.

[例句] 这些葡萄园日渐没落。 The vineyards were falling into ruin.

fall behind the ranks，straggle，drop behind，drop out，behind the times ；

[例句] 黑色外套看起来总是很潇洒，而且永远也不会落伍。 A black coat always looks smart and will never date.

[例句] 游客们偷偷地取笑当地人落伍的做法和衣着。 The tourists snigger at the locals' outdated ways and dress.