Wall bushing
[电] 穿壁套管
🧩 词语组成解析
n. 轴衬, 套管\\n[化] 衬套; 管衬; 轴瓦
🗣️ 情景例句
What year were you born in?
你是哪一年生的？
I'd like to reserve a sleeper to chicago.
我要预订去芝加哥的卧铺。
Mary has written ten letters today.
马力今天写了十封信。