Pvc
聚氯乙烯\\n[计] 永久虚电路
📖 牛津释义
PVC
abbr 缩写 = polyvinyl chloride (a type of plastic) 聚氯乙烯（一种塑料）
The seat covers were (made of) PVC. 座椅的外罩是聚氯乙烯（做）的.
🗣️ 情景例句
I hope they aren't lost.
但愿没丢才好。
The doctor advised me to take a walk outdoors.
医生劝我要多到户外散步。
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，