Neoflon
四氟乙烯-全氟丙烯共聚物(氟塑料46)
🗣️ 情景例句
She's still giving the toughest English history exams
她仍用最艰深的英国史试题考学生
So five hundred dollars will be 4, 350 RMB yuan.
500美元可兑换人民币4350元。
Maori children are taught at an early age what to do when they come to the marae.
毛利儿童小小年约就要去庥会地参加集会，被教会该做什么。