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
She went to a school-board meeting.
她去参加联合校董会的会议。
I could only guess the number of people in the room.
我无法正确地猜测房间里面有多少人。
Finally, Kunta was thrown into the bottom of the boat and covered with an old smelly cloth.
最后孔塔被扔进船底，盖上一条臭气熏天的旧布单。