Polypeptidic
a. polypeptide的變形
??? 情景例句
we won't be there
我們將無法
Better be the head of a dog than the tail of a lion.
寧為犬首，不作獅尾。
Jim couldn't decide where to go for his holidays. He didn't go anywhere in the end.
幾畝決定不了去哪渡假，最終他哪兒也沒去。