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
Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
听着， Richard，一小时的有氧运动可与举重大不相同。
Are they all non-reserved seats?
他们全部不预订的吗？
A short time before, great trees had covered the countryside for miles around.
就在不久之前，参天大树还覆盖着方圆数英里的土地。