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
It would be very nice.
那当然是很好。
Do not sell the bear's skin before you have caught the bear.
熊未到手休卖皮（勿过早乐观）。
Maori families are often large, and uncles, aunts, grandparents and other relations may come to stay with the family for long periods.
毛利人的家庭通常很大，叔伯、婶娘、爷爷奶奶以及其他亲戚均可来与家里人长时期地住在一起。