Coarse thread screw
[化] 粗纹螺钉; 粗螺纹螺钉
🧩 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）;
screw
[skru]
n. 螺丝钉;螺旋桨，螺旋状物;（螺丝的）转，扭;吝啬鬼;
vt. 用螺丝拧紧;扭曲（某人的面孔）;〈俚〉占便宜，诈骗;
vi. 扭转，扭歪;旋紧;（和某人）性交;
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
Soon learnt, soon forgotten.
学得快，忘得快。
Bob tries another pop star. This time he has more difficulty in getting through.
鲍勃试着想请另一个流行歌星。但这次电话比较难打通。