V-thread
[机] V形螺纹, 三角螺纹
🧩 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
She went to a school-board meeting.
她去参加联合校董会的会议。
Father has prescribed a course of action for my bother.
父亲指使弟弟的行动。
and of dark narrow streets full of petrol fumes and toxic gases,
和阴暗狭窄的街道组成