Lactamase
n. [生化]内酰胺酶
🗣️ 情景例句
These are polite questions.
这些问题都是礼貌的。
They operated on him last night.
他们昨晚给他动手术了。
and his hero was firmly rooted in his memories and experiences, and in both the history and the mythology of the vanished frontier.
他塑造的英雄人物深深地扎根于他本人的记忆和经历之中，也扎根于有关已经消失的拓荒生活的历史和神话之中。