Copula
n. 系词, 介体, 接合部\\n[医] 介体; (舌)联桁; 交配
✅ 同义词
📖 牛津释义
copula
n
(grammar) type of verb that connects a subject with its complement 系词（即连系动词, 用以连结主语及其补语）
In `George became ill', the verb `became' is a copula. 在Georgebecameill一句中, became是系词.
🗣️ 情景例句
Yes, that's right. They'll be there in no time.
没错，货很快就会运到。
Vain glory blossoms but never bears.
虚荣能开花，但从不结果。
We should be able to get that off to you right away.
这样的话，我们马上就可以出货