vt. 征募，赢得…的支持或合作，赞助；vi. 应募，入伍，积极参与；
[例句] Michael Hughes of Lackawanna, Pennsylvania, enlisted in the 82nd Airborne 20 years ago...
[例句] He enlisted as a private in the Mexican War...
adj. 灭绝的，绝种的，消逝的，破灭的；
[例句] It is 250 years since the wolf became extinct in Britain.
[例句] ...the bones of extinct animals.
n. 工厂，制造厂，代理店；
[例句] He owned furniture factories in New York State.
n. 支流，支线，进料器，供给装置，饲养员；
[例句] ...the feeder road leading to the airport.
[例句] ...a feeder to British Airways's transatlantic destinations.
vi. 挣扎，折腾，着慌，勉强应付，行为言语错乱；n. 挣扎，踉跄前进，比目
[例句] What a pity that his career was left to flounder...
[例句] The economy was floundering.
adj. 流动的， （轮廓等）圆滑的，下垂的；v. 流( flow的现在分词 )，垂，流出，（谈话、文体等）流畅；
[例句] A stream flowed gently down into the valley...
[例句] The current flows into electric motors that drive the wheels.
adj. 冷冻的，冰封的，冻硬的，呆若木鸡的；v. 结冰（ freeze的过去分词），冷藏，冻结，冻住；
[例句] It was bitterly cold now and the ground was frozen hard.
[例句] ...the frozen bleakness of the Far North.
n. 守备部队，卫戍部队，要塞，驻防区，加里森；vt. 守卫，驻防；
[例句] ...a five-hundred man French army garrison.
[例句] The approaches to the garrison have been heavily mined.
vt. 划深而长切口，砍；n. 深长的切口（或伤口），裂缝；
[例句] There was an inch-long gash just above his right eye.
[例句] He gashed his leg while felling trees.
n. 凝胶，冻胶，定型发胶；vi. 形成胶体，胶化；
[例句] They have gelled very well with the rest of the side...
[例句] There were signs on Saturday that the team is starting to gel at last...
n. 等级，坡度缓和，分阶段；v. （官阶、质量）等级( grade的现在分词 )， 年级， （考试或作业的）分数， （学生受测试的）技巧水平（尤指音乐方面）；
[例句] Dust masks are graded according to the protection they offer...
[例句] South Point College does not grade the students' work.
n. 小颗粒，小硬粒；
[例句] She was spooning coffee granules into cups.
v. 狼吞虎咽，贪婪地吃，飞碟游戏（比赛双方每组5人，相距15码，互相掷接飞碟），毁坏（建筑物等）的内部( gut的第三人称单数 )，取出…的内脏；n. 勇气( gut的名词复数 )，内脏，消化道的下段，肠；
[例句] By the time they finish, the crewmen are standing ankle-deep in fish guts.
[例句] It is not always necessary to gut the fish prior to freezing.
n. 锤打，锤打的声音；v. 锤打( hammer的现在分词 )，反复敲打，连续击打（尤指发出大声），击败，猛踢；
[例句] He used a hammer and chisel to chip away at the wall.
[例句] To avoid damaging the tree, hammer a wooden peg into the hole...
n. 港口，安全地方，避难所，安息所；vt. 把（船）开进港，为…提供避难场所，掩护；
[例句] It's a real haven at the end of a busy working day.
[例句] ...Lake Baringo, a freshwater haven for a mixed variety of birds.
vt. 鼓励，使振作，振奋，鼓舞，振作起来；vi. 振作；
[例句] He will have been heartened by the telephone opinion poll published yesterday...
[例句] The news heartened everybody.
n. 身份，[逻]同一性，个性，[数]恒等（式）；
[例句] Abu is not his real name, but it's one he uses to disguise his identity...
[例句] The police soon established his true identity and he was quickly found.
n. 疾病，某种具体疾病，不健康；
[例句] If your child shows any signs of illness, take her to the doctor...
[例句] Mental illness is still a taboo subject.
n. 无能，无力，无才能，无能为力；
[例句] Her inability to concentrate could cause an accident.
[例句] ...the government's inability to provide basic services.
adj. 达不到的，难见到的，不能接近的，无法理解的；
[例句] ...the remote, inaccessible areas of the Andes rainforests.
[例句] The route took us through scenery quite inaccessible to the motorist.