Polyanhydrides
[化] 聚酐类
🗣️ 情景例句
I'm not sure I'm up to it.
我不能肯定我是否能做得来。
She told me she wanted to start a company.
她告诉我她想开公司。
'I suppose it would, but I never catch a later train.'
“我认为可以，但我从来不乘晚一点儿的车。”