Key enzyme
[化] 关键酶
🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
🗣️ 情景例句
This afternoon we're going to visit a friend in the hospital.
今天下午我们将去探望一位住院的朋友。
It's foggy this afternoon.
今天下午雾很大。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。