Polyvinylamine

聚乙烯胺; 聚乙烯胺

🗣️ 情景例句

Well, forty-seven, to be exact.
准确点说, 四十七年。
This part of the country is very hilly.
这个国家这一部分有很多丘陵。
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something,意思是迅速地沿着一条直线向某人或某物走去。
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