Ldpe
[化] 低密度聚乙烯
🗣️ 情景例句
I said I'd give her an answer in a few days ...
我说这几天给她回答……
I think he's no good.
我想他不行。
Some children were playing games on the bank and there were some people rowing on the river.
河岸上有些孩子正在玩耍，河面上有些人正在划船。