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
Seven o'clock, I'll pick you up at your office.
晚7点，我去办公室接你。
Why do you always bother me?
你干嘛老是找我麻烦？
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。