Tridecapeptide
十三肽
??? 情景例句
I'm glad I ran into you. Where have you been hiding lately?
我很高興碰見你，你躲到哪里去了？
I know the boy whose father is a scentist.
我知道那個男孩的父親是科學家。
You're an asshole.
你這缺德鬼。