Pacemaker enzyme
[化] 定步酶
🧩 词语组成解析
pacemaker
[['peisˌmeikə]]
n. 带步人, 标兵, 起搏器\\n[医] 起搏点, 起搏器
🗣️ 情景例句
Oh, Somebody's at the door. I have to go.
哦，有人来了，我得去开门。
Somebody said she's not.
有人说她还是小姑独处哪。
OK! What time shall we leave?
好的！我们什么时候出发？