Quadrine
[化] α-氨基丁酸; α-氨基正丁酸
🗣️ 情景例句
The production department's waiting in the conference room.
生产部门的人正在会议室等你 。
You agreed that we could make a little change in design if necessary.
可你们曾经答应这，如有必要，图案可以稍作改动。
The film was set in California in the middle of the nineteenth century.
这部影片是以19世纪中叶加利福尼亚为背景的。