Oxal
[医][=oxalate]草酸盐, 乙二酸盐
🗣️ 情景例句
Hi, Grandpa.
嗨， 爷爷。
Tom reads newspapers in the afternoon.
汤姆下午读报。
Suddenly, one of the children kicked a ball very hard and it went towards a passing boat.
突然，一个孩子狠狠地踢了一脚球，球便向着一只划过来的小船飞去。