Polyvinylpyrrolidone(pvp)
[化] 聚乙烯吡咯烷酮
🗣️ 情景例句
So how has life changed since you left the army?
你离开军队后,生活过得如何?
I was born and raised in Beijing, and I am 25 years old.
我出生在北京,在那里长大,我今年25岁了。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候,他问医生他的手术是否成功,
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