Battering-ram
破城槌（等于ram）；撞車
?? 牛津釋義
battering-ram
n large heavy log with an iron head formerly used in war for breaking down walls, etc 攻城槌（為一端帶有鐵頭的巨型沉重圓木, 舊時於戰(zhàn)爭中用以攻破城墻等）.
?? 詞語組成解析
[機(jī)] 打碎, 捶薄, 混合
ram
[r?m]
n. 公羊;<天>(R-)白羊（星）座;<機(jī)>夯;攻城槌;
vt. 夯實（土等）;猛撞;猛壓;反復(fù)灌輸;
vi. （使）猛烈撞擊;迅速移動;迫使…明白;
??? 情景例句
You know something?
知道嗎？
I said, Is there anything I can do?
我是說:我能為你做點什么嗎？"
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一個氣墊來支撐船體，低壓空或軟墊，軟墊周圍用高壓空氣環(huán)繞。