A:4个氮原子:N4
B:氦气:He2
C:氢氧化铁:Fe(OH)3
D:五氧化二磷:O5P2
It's 3:30 p. m. Kangkang and his classmates are busy _____ basketball on the playground.
根据拼音写汉字。
cuì
chì
bǔ
bāo
纳____
排____
____乳 细
____
Why doesn't the woman like Shanghai?