Nitrato
硝酸基
🗣️ 情景例句
Thanks.
谢谢。
Chains of gold are stronger than chains of iron.
金链锁人比铁炼更牢靠。
but I lacked for nothing, for he was both father and mother to me.
但我却什么都不缺，他既当父亲又当母亲。