Biorefractive
抗生物(降解)的(表面活性剂)
🗣️ 情景例句
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
You're hopeless!
你真是没救了！
It's only three minutes to eight.
现在才7点57分。