Ethenoid
乙烯型的
🗣️ 情景例句
No, no. Please, go ahead.
不用 ，不用。你走吧。
It is good to learn at another man's cost.
前车之覆，后车之鉴。
If, as has been reported, they have protected humans from sharks,
正如报道中所说，如果海豚保护人不受鲨鱼侵害，