Drainage thread
[医] 引流线
🧩 词语组成解析
thread
[θrɛd]
n. 线;线索;线状物;螺纹;
vt. 穿成串;将（针、线等）穿过…;用…线缝;给…装入（胶片、狭带、绳子）;
🗣️ 情景例句
How many do you want? I can probably get the owner to bring down the price.
你要几只？我大概可以找店主杀价！
Camping with a group is fun.
大伙露营是趣味横生的事。
The ball struck him so hard that he nearly fell into the water.
球重重地打在他身上，使他差点儿落入水中。