Beta-lactam
[医]β-内酰胺，乙内酰胺
🧩 词语组成解析
n. 希腊字母表的第二个字母\\n[医] β(希腊文的第二个字母), 乙种
n. [化] 内酰胺, 乳胺
🗣️ 情景例句
Does that make any sence?
这样清楚了吗？
We want to purchase Chinese tea. Please send us your best offer by fax indicating origin packing, quantity available and the earliest time of shipment.
我们欲购中国茶。请用电传给我们报最好价，并说明产地、包装、可供数量及最早发货日期。
But I guess we've got some of the most beautiful mountains and countryside in the world.
但我想我们有一些世界上最美的山脉和乡村。