Angiospermin
[医] 被子植物素
🗣️ 情景例句
I'm a little uncertain.
我有点犹豫不决。
We have an extended warranty available at extra cost.
对于额外价钱我们有较长的保证期限。
He did very badly on the exam----worse than expected almost the worst in the class.
他考的不好，比期望的还糟。几乎是全班最差的。