from milk, used in cooking or as a drink 脱脂乳；白脱

牛奶

but-ternut /'bAtanAt; NAmE 'bAtar-/ noun a N American tree grown as a decoration and for its wood 灰胡桃树

(北美观赏树，木材可用）

but-ter-scotch /'bAtaskDtX; NAmE'b\tsrska:tS/ noun [U]

1 a type of hard pale brown sweet/candy made by boiling butter and Grown sugar together 奶油硬糖（角 奶油和黄糖熬制）2 (espec/V?//y a sauce flavoured with butterscotch, used for pouring on ice cream, etc. 奶油硬糖汁（用于浇在冰激凌等上）

but-tery /'bAtari/ adj. like, containing or covered with butter黄油般的；含黄油的；以黄油覆盖的 but-tock /'bAtak/ noun [usually pi.] either of the two round sofi parts at the top of a person’s legs 屁股的一 边；臀部 一 picture o body bllt*t〇n /'bAtn/ noun, verb

m noun 1 a small round piece of metal, plastic, etc. that is sewn onto a piece of clothing and used for fastening two parts together 纽扣；扣子：to do up/undo your buttons 系上 / 解开扣子◊ (/S/AwE) to button/ unbutton your buttons ^ ±. / 〇 to sew on a

butto/i 缝上扣子◊ shirt buttons 分衫知运扣 _ picture o fastener 2 a small part of a machine that you press to make it work (机器的）按钮：the p〖ay/stop/rewind button 播放 / 停土 / 倒杂键◊ Adam pressed a button and vvaited/ortheh；/it.亚当按了一个按钮，然后等着乘坐电 梯。◊ Choose ‘printer’ from the menu and click with the right mouse button•从秦单上选取“打印机”，然后点击 鼠标右键。◊ The windows sZide down at the touc/i 〇/ a button.按一下开关，窗玻璃便落下来。一picture o handle 一 see also push-button 3 (especially NAm£) a badge, especially one with a message printed on it (尤指印有信息的）徽章一picture c> badge — see also belly button 11^ on the 'button (informal, especially NAm£) *1 at exactly the right time or at the exact time mentioned 准时；正好：We arrived at 4 o’docfc on the button.我们在4点钟时到达。2 exactly right精确； 准确；确切：Ybu’re on the button there/ _让你说准了！ .push all the (right) 'buttons (also .press all the (right) 'buttons especially in 6r£) (informal) to do exactly the right things to please sb 做得面面也到以讨 好人：a new satirical comedy show that pushes all the right buttons —出新的极尽搞笑之能事的讽刺喜剧，push sb^ 'buttons (also .press sb^ 'buttons especially in 6rE) {informal) to make sb react in either a positive or a negative way使有所反应（无论是积极或消极的J’ve known him for years, but I still don't know what pushes his buttons.我已认识他多年，可还是摸不透他的脾气。 —more at bright adj.

■ verb 1 [VN]〜sth (up) to fasten sth with buttons 扣…的 纽扣：She hurriedly buttoned fupj her biouse.她急忙扣 好衬衫。2 [V] ~ (up) to be fastened with buttons 用纽 而士0±: [V] r/ie dress buttons (up) at the bacfc.这件逢衣 裙是从后#系扣的。'button it! {BrE, informal) used to tell sb rudely to be quiet 闭嘴；住口 .button-'down adj. a button-down collar, shirt, etc. has the ends of the collar fastened to the shirt with buttons (领尖）用纽扣系（在衬衫上）的一picture o PAGE R22

.buttoned-'up adj. {informal, especially BrE) not expressing your emotions openly 沉缺寡言如；嘴枭的 but-ton-hole /'bAtnhaul; NAmE -houl/ noun, verb

• noun 1 a hole on a piece of clothing for a button to be put through 纽扣孔.；扣眼一picture o fastener

2 (8/-£) (NAmE bou-ton-niere) a flower that is worn in the buttonhole of a coat or jacket 佩戴在扣眼上的花

• verb [informal) [VN] to make sb stop and listen to you, especially when tliey do not want to 勉强_(某人）停下 来听

丨 button lift (8r£) .(also Poma™) /iot/A7 a machine with poles which pulls people up the mountain on their skis 上山牵引机（用吊杆拉滑雪者上山）

.button 'mushroom noun a small young mushroom used in cooking (食用）小蘑菇 but-tress /'bAtras/ noun, verb

m noun a stone or brick structure that supports a wall ^

壁；支墩