Principen
[化] 氨苄西林; 氨苄青霉素
🗣️ 情景例句
What are you doing this weekend?
你本周末打算干什么？
I'm going to take four boxes.
我要拿四盒。
knowing that others will carry on what I can no longer do,
明白了有人会继续我的未竟事业，