🧩 词语组成解析
[医] 脑白质
🗣️ 情景例句
Hey, that's terrific, Mom!
嗨 ，太棒了， 妈妈！
I really don't know.
我真的不知道。
I'm afraid I don't have it any more. I sold it last week.
我恐怕是没有了，上星期我把它卖掉了。