Jackshaft
n. [汽] 中間動軸
??? 情景例句
This is Mr. Wu in Room 415.
我在415房間，姓巫。
No such thing.
沒這回事！
The children were at school, my husband was at work and the house was quiet.
孩子們在上學，我丈夫在上班，家里清靜得很。