n. 焦点， 焦距， 对焦点， 聚焦；
[例句] The research effort has focused on tracing the effects of growing levels of five compounds...
[例句] He is currently focusing on assessment and development...
adj. 牵引的；v. （使…）在地上拖拉，慢吞吞地走，磨蹭( drag的过去式和过去分词 )，拖，打捞，（用鼠标）拖动；
[例句] He got up and dragged his chair towards the table.
[例句] Use your mouse to drag the pictures to their new size.
n. 战斗( battle的名词复数 )，交战，较量，争论；v. 与[对]…作战，争斗( battle的第三人称单数 )；
[例句] ...the victory of King William III at the Battle of the Boyne.
[例句] ...after a gun battle between police and drug traffickers.
n. 连接，管接头，套管；v. 连接( connect的现在分词 )，把…看作有关联，由…联想到，给…接通电话；
[例句] You can connect the machine to your hi-fi...
[例句] The traditional method is to enter the exchanges at night and connect the wires...
n. 哨子( whistle的名词复数 )，汽笛，口哨声，汽笛声；v. 吹口哨( whistle的第三人称单数 )，鸣笛，呼啸着前进，空指望；
[例句] He whistled and sang snatches of songs...
[例句] He was whistling softly to himself...
adj. 冒热气的；adv. 热气腾腾地；n. 蒸热，通入蒸汽，蒸汽加工，汽蒸；v. 冒蒸汽( steam的现在分词 )，快速行走，疾行，（靠蒸汽）行驶，蒸煮；
[例句] In an electric power plant the heat converts water into high-pressure steam.
[例句] ...the invention of the steam engine.
adj. 折算的，修正的，校正的；v. 改正( correct的过去式和过去分词 )，[数学、物理学]校正，（试卷）改错，批改；
[例句] The correct answers can be found at the bottom of page 8...
[例句] The following information was correct at time of going to press...
vt.& vi. 再开，重新打开，重新开始；
[例句] Iran reopened its embassy in London...
[例句] It plans to reopen the shipyard tomorrow...
完成，读完，穿过，用
[例句] I think you can get through the first two chapters.
[例句] It is hard to see how people will get through the winter...
adj. （尤指）性关系随便的，混杂的，随便的，淫乱；
[例句] She is perceived as vain, spoilt and promiscuous...
[例句] You know the risks of promiscuous sex.
vi. 扭动，蠕动，蜿蜒行进，摆脱，用计逃脱；vt. （使身体某一部位）扭动，耍滑不做，逃避（应做的事等）；n. 蠕动，扭动；
[例句] The babies are wriggling on their tummies...
[例句] They were fidgeting and wriggling in their seats...
adv. 僵硬地，顽固地，坚硬地，生硬地；
[例句] The furniture was stiff, uncomfortable, too delicate, and too neat...
[例句] His waterproof trousers were brand new and stiff...
n. 腹部，[虫]腹部，下腹，腹腔；
[例句] He was suffering from pains in his abdomen.
vt. 强调，着重指出，重读，给…加上重音符号；
[例句] His shaven head accentuates his large round face...
[例句] The whole air of menace was accentuated by the fact that he was so cordial and soft-voiced.
n. 活化，激活，[化]活化作用，致活；
[例句] Video cameras with night vision can be activated by movement.
[例句] ...a voice-activated computer.
adj. 可容许的，（证据）可接受的，有资格加入的，（意见、计划等）可采纳的；
[例句] Convictions will rise steeply now photographic evidence is admissible.
vt. 使（极度）痛苦，折磨；vi. 苦斗，苦苦思索，感到极度痛苦，苦闷；
[例句] Perhaps he was agonizing over the moral issues involved...
[例句] She only made the decision to apply for training after years of agonizing.
adj. 同盟的，同盟国的，联合的，姻亲的，同源的，类似的；v. 联合(ally的过去分词)；
[例句] ...the approaching Allied forces...
[例句] They're backed by allied warplanes and tanks.
adj. 冷淡的，疏远的，远离的；adv. 分开地，避开地；
[例句] He seemed aloof and detached.
[例句] The Government is keeping aloof from the controversy...
n. 反感，引起反感的事物，憎恶的对象，（在本性、倾向等方面的）不相容；
[例句] She'd often spoken of her antipathy towards London.