Rag bolt
[機] 基礎(chǔ)螺栓
?? 詞語組成解析
rag
[r?g]
n. 破布;碎布;破舊衣服;碎片;
vt. 嘲笑，捉弄;糟蹋，欺負;指責(zé)，欺負人;
bolt
[bolt]
n. 螺栓，螺釘;閃電，雷電;門閂;弩箭;
vt. 篩選;囫圇吞下;（把門、窗等）閂上;突然說出，脫口說出;
vi. （門窗等）閂上，拴住;沖出，跳出;（馬等的）脫韁;囫圇吞下;
adv. 突然地;像箭似地;直立地;
??? 情景例句
in such a short amount of time.
在這么短的時間內(nèi)。
What's the fare?
車費多少？
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因為如果有列火車開進隧道，它就把新鮮空氣隨之抽進了隧道。