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
Do you have to act like that?
你非得那么做吗？
I agree. I wish it were better.
我也觉得是，希望会好起来。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。