burn用法.ppt

1、Many houses have been covered with lava or burned to the ground. 许多房屋被熔岩覆盖或烧毁。 burn to the ground 指楼等被烧毁 He has no place to live in because his house has been burnt to the ground. 他无处栖身因为他的房子被烧掉了。,短语: burn away :vt/vi (to disappear as a result of burning) 1. (使)烧掉; 2.继续燃烧 The wood had burnt away to

2、nothing. 木头已烧成灰烬。 He added fuel to the stove to make sure it would burn away . burn down :vi/vt 1.(建筑) 烧(倒而)毁(to be destroyed by fire), 2.火减弱 The cinema burnt down last year. 电影院去年被烧毁了。 burn off :vt 1. 烧掉 (to remove sth by burning) , 2. (通过锻炼)消耗能量 1.burn off calories through vigorous exercise 2.The

3、farmers are burning off the stubble庄稼茬 from the fields.,burn out :vi/vt 1. (内部)烧空(常被动); 2.烧尽,熄灭 (to stop burning because theres nothing more to burn) 3. (机器因过热或使用过多而)出故障 4. (人)精力耗尽了 The candle was burned out at midnight.= The candle burned itself out at midnight. 蜡烛在半夜时烧完了。 The building was burned o

4、ut and only the walls remained. 大楼被烧空了，只剩下墙。 The engine is has burned out. 引擎被烧坏了。 If he doesnt stop working so hard,hell burn himself out.,burn up 1. 彻底烧毁(to be destroyed by heat); 2. 火更亮/旺 3. 烧毁(to get rid of sth or destroy sth by burning) The fire burnt up suddenly.火突然烧了起来。 We burned up all the d

5、ead leaves in the garden. 我们把花园里所有的枯叶都烧掉了。 burn ones boats/bridges 破釜沉舟，不留后路 burn the midnight oil 开夜车，挑灯夜战 feel ones ears burning 觉得耳朵在发烧(猜想，认为有人在谈论自己) burn the candle at both ends 过分耗费精力,The school was burnt _ by vandals. 学校被人纵火烧毁了。 He was badly injured in the accident, and his hair was burnt _. 他在事故中严重受伤, 头发也被烧掉了。 The engine had burnt _. 引擎给烧坏了。 The skin on his foot was burnt_. 他脚上的皮肤被烧掉了。,off,down,out,练一练,away,The rocket burnt _ when it reentered the earths atmosphe