Pko
abbr. palm kernel oil 棕榈仁油; perfrin knockout 穿孔素敲除
🗣️ 情景例句
I always wanted to travel to Europe but I was afraid that language would be a problem.
我总想去欧洲旅游，但我又怕语言是个问题。
Did you sleep well last night?
你昨晚睡得好吗？
What's wrong?
怎么了？