Monosulfide
一硫化物
🗣️ 情景例句
It's nice to see you again.
再次见到你，真是太好了。
She gaped in surprise when Robert arrived.
当罗伯特来的时候，她吃惊得长大嘴巴呆住了。
That's good. I think I'll sow my carrot seed tomorrow.
好呀，我想明天播胡萝卜种。