Lactan
[医] 内酰胺, 酯(音涓)
🗣️ 情景例句
Thanks for inviting me to the dinner. I'm looking forward to it.
谢谢你邀请我一起吃晚饭，约会日期早些到就好了。
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
and a very firm hand must be employed in the early stages.
因此开始阶段需要有一位强有力的老手。