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
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
I went there on business.
我出差到那儿。
It is said that if anyone touches the tree, he will have bad luck; if he picks a leaf, he will die.
据说，谁要是触摸了这棵树，谁就会交上恶运；如果谁摘了一片树叶，谁就会死去。