Poly(vinyl alcohol)
[化] 聚乙烯醇
🗣️ 情景例句
I'll be at the construction site tomorrow.
明天我要去工地。
I'm broke.
我身无分文。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。