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
Would you like a cocktail before dinner?
你要在饭前来杯鸡尾酒吗？
My treat.
我请客。
and by the time he is grown and able to take part in its activities,
等他长大了，能做各种事了