Bicine
N-二(羟乙基)甘氨酸
🗣️ 情景例句
He jumps from one job to another.
他经常换工作。
How long has he been with that company?
他在那家公司多久了？
It is nine o'clock.Mr.Sawyer usually reads his newspaper at night.But he's not reading his newspaper tonight.
现在是9点钟。索耶先生通常是在晚上看报，但今天晚上他没看报。