Joint coupling
[化] 活节连节器; 管接头
🧩 词语组成解析
joint
[dʒɔint]
adj. 共同的，联合的;共享的;两院的;连带的，共同的;
n. [解]关节;接合处;下流场所;一块烤肉（英式英语）;
vt. 结合，联合;为…装上接头，使…有接缝;
coupling
[['kʌpliŋ]]
n. 联结, 结合, 耦合\\n[计] 耦合
🗣️ 情景例句
Well ...
嗯……
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
'It's a waste of time.
“这是浪费时间。