adj. 双的，两倍的，两面派的，双人用的；vt. 使加倍，把…对折，重复；vi. 加倍，加倍努力，快步走；adv. 两倍地，双重地；n. 两倍，双精度型；
[例句] ...a pair of double doors into the room from the new entrance hall.
[例句] ...a lone skier gliding along smooth double tracks.
v. 行动，表现，表演，起作用；n. 行为，行动，法案，法令，短节目；
[例句] The deaths occurred when police acted to stop widespread looting and vandalism...
[例句] I do not doubt that the bank acted properly.
adv. （坐、倒、躺）下，向下，（表示范围或顺序的限度）下至；prep. （从高处）向下，（表示位置）在…的下方，（表示方向）沿着…向下，（表示时间）自…以来；adj. 向下的，沮丧的，计算机或计算机系统停机，（以…）落后于对手的；n. （鸟的）绒羽，绒毛，软毛，汗毛；vt. 放下，（尤指大口或快
[例句] We're going down a mountain...
[例句] A man came down the stairs to meet them...
同步的，定时的，时控的；
[例句] ...a two-week period of time...
[例句] Time passed, and still Ma did not appear...
adj. 迷人的，引人注目的，会传染的；n. 引人注目，迷人，取得，营业收入；v. 拿（ take的现在分词 ），接受，取得，学习；
[例句] She was too tired to take a shower...
[例句] Betty took a photograph of us...
adj. 热的，辣的，激动的，热门的；vt. 使兴奋，使激动；adv. 热的，紧迫的；vi. 变热；
[例句] When the oil is hot, add the sliced onion...
[例句] What he needed was a hot bath and a good sleep...
vt.& vi. 移动，搬动；vi. 搬家，行动，进展，（机器等）开动；vt. 提议，使感动，摇动，变化；n. 改变，迁移；
[例句] She moved the sheaf of papers into position...
[例句] You can move the camera both vertically and horizontally...
vi. 上升，增强，（数量）增加，休会；n. （数量或水平的）增加，兴起，（数量、价格、价值等的）增长，（日、月等的）升起；vt. 使…浮上水面，使（鸟）飞起，复活，发酵；
[例句] He watched the smoke rise from his cigarette...
[例句] The powdery dust rose in a cloud around him.
vt. 放置，铺放，涂，敷，产卵；adj. 世俗的，外行的，没有经验的；n. 叙事诗，性伙伴；
[例句] Lay a sheet of newspaper on the floor...
[例句] My father's working bench was covered with a cloth and his coffin was laid there...
n. 数字，算术，人物，身材；vi. 计算，出现，扮演角色；vt. 计算在内，估计，推测，认为；
[例句] It would be very nice if we had a true figure of how many people in this country haven't got a job...
[例句] It will not be long before the inflation figure starts to fall...
n. 天空，空气，空中，神态，曲调；v. 晾干，通风，公开发表，播送；
[例句] Draughts help to circulate air...
[例句] Keith opened the window and leaned out into the cold air.
n. 符号，手势，迹象，指示
[例句] Equations are generally written with a two-bar equals sign.
[例句] They gave Lavalle the thumbs-up sign...
v. 提升，增加，养育，筹集；n. 提升，增加，高处，举起；
[例句] He raised his hand to wave...
[例句] She went to the window and raised the blinds...
n. 名字，名声，有…名称的，著名的人物；vt. 确定，决定，给…取名，说出…的名字；adj. 著名的，据以取名；
[例句] 'What's his name?'—'Peter.'...
[例句] I don't even know if Sullivan's his real name...
adj. 自由的，免费的，免税的，空闲的；adv. 免费地，自由地，无拘束地，一帆风顺地；vt. 免除，释放，使自由，解救；
[例句] The seminars are free, with lunch provided.
[例句] ...a free brochure with details of gift vouchers.
vt. 铸造，投掷，投射，脱落，脱皮；n. 铸型，演员表，轻微的斜视，投，掷骰；vi. 掷，投，计算，加；
[例句] The show is very amusing and the cast are very good.
[例句] The world premiere of Harold Pinter's new play casts Ian Holm in the lead role...
n. 账，账目，存款，描述，解释；v. 认为是，视为；
[例句] Some banks make it difficult to open an account...
[例句] I had two accounts with Natwest, a savings account and a current account.
n. 脚，底部，英尺(=12 英寸或 30。48 厘米)，脚步；vt. 走，踏；vt.& vi. 结算，总计，共计；
[例句] She stamped her foot again.
[例句] ...a foot injury.
adj. 黑（色）的，黑色人种的，黑暗的，不加牛奶的；n. 黑色，黑人，黑颜料，黑暗；v. 使变黑，抵制，拒绝，使变黑暗；
[例句] She was wearing a black coat with a white collar...
[例句] He had thick black hair...
adj. 现在的，目前的，出席的，[语法学]现在时的；n. 现在，礼物；
[例句] He has brought much of the present crisis on himself...
[例句] ...the government's present economic difficulties...