Formacyl
甲酰基
🗣️ 情景例句
We used to catch crabs.
我们以前常捉螃蟹。
You don't have the right.
你还不够格。
I feel a little afraid, said Kate. I'm sure I can smell something.
“我感到有点害怕，”凯特说。“我敢肯定我觉察到什么了。”