Leucine
n. 白氨酸\\n[化] 亮氨酸; 白氨酸; 異己氨酸
??? 情景例句
and making it a new community center.
使它成為一個新的社區(qū)中心。
How ofter did I tell you to sit straight?
我告訴你多少次要坐正?
It was obvious that he was very embarrassed.
顯然他感到很尷尬。