Coarse thread
[化] 粗牙螺纹
🧩 词语组成解析
coarse
[kɔrs]
adj. 粗鄙的;粗糙的;粗野的;粗制滥造的;
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
I think it can be done.
我认为这件事情办得成。
He's not in. May I take a message for him?
他不在，我能替他捎个口信吗？
The radio says the snow will stop later in the day.
无线电广播说 今天晚些时候雪会停的。