Polyvinyl fluoride
[机] 聚氟乙烯
🧩 词语组成解析
a. 聚乙烯基的
fluoride
[['fluəraid]]
n. 氟化物\\n[化] 氟化物
🗣️ 情景例句
Friends, teachers....
朋友 老师……
Where do you want us to put the couch?
你想让我们把沙发放到哪里？
'Rest', in terms of muscle relaxation and so on, can be achieved by a brief period lying, or even sitting down.
“休息”，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。