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
Yes? May I help you?
什么事？我能为您效劳吗？
He was so startled that he yelled.
他惊吓得高声喊叫。
I think we must buy some meat for supper.
我想我必须买一些晚饭吃的肉。