Prezymogen
[医] 前酶原
🗣️ 情景例句
I'm happy to have this chance to meet with you. Mr. Howard Yang.
杨先生，非常高兴能有机会认识你。
Do you have some envelopes?
你有信封吗？
Please stop me if you have any question.
有任何问题，请随时叫我停下来。