Ceanothine
[化] 美洲茶碱
🗣️ 情景例句
She'll be back around 2:30.
大概两点半会回来。
The offer is made without engagement. All orders will be subject to our written acceptance.
此报盘没有约束力，所有定单以我方书面接受为准。
It is no use offering the manual labourer, tired out with a hard week's sweat and effort,
对于流汗出力干了一周苦活的体力劳动者来说，是不合适的；