Etfe
[医][=ethylene-tetrafluoro-ethylene]乙烯四氟乙烯
🗣️ 情景例句
Nowadays many young people cohabit together without legal permission.
如今很多年轻人未获得法定允许就一起同居了。
Would you wait here for a minute?
您能在这里等一下吗？
Will you introduce me to the new purchasing agent?
请替我引介新来负责采购的人好吗？