Poly(vinyl fluoride)
[化] 聚氟乙烯
🗣️ 情景例句
Good-bye, Miss Aborn.
再见 Aborn小姐。
Forget it.
算了吧。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。