Double thread
[化] 双头螺纹; 双线螺纹
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
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
Don't you feel well?
你感觉不好吗？
Friends may meet, but mountains never greet.
朋友可相逢，高山永分离。
My friend, you shouldn't judge strangers always by the clothes they wear.
朋友，对于陌生人，你不应该老是凭人家的衣着来判断人。