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
Just cool down.
冷静一点。
I had the luck of finding a good job.
我幸运地找到一个好工作。
Come up these steps with me, please, and be careful.
请跟我走上这些台阶，请小心点。