C-terminus
羧基端
🧩 词语组成解析
🗣️ 情景例句
And it makes me feel good that you care about us.
你关心我们大家这使我太高兴了。
I'm ashamed. I couldn't tell you my love.
我真的不好意思,爱你在心口难开呀。
Two return tickets to London,please.
买两张到伦敦的往返票。