Nchd
[医][=normal childhood diseases]正常儿童期疾病
🗣️ 情景例句
Yeah, Grandpa,
对呀， 爷爷。
I asked him if he spoke English.
我问他他是否说英语。
Von Frisch wanted to find out whether the dance told them how far away the feeding place was.
冯·弗里施想弄清舞蹈是否告诉它们离喂食点有多远。