Heptasulfide
七硫化物
🗣️ 情景例句
I'll get it. Hello.
我去开门。哈啰。
I'll consider this matter.
我会考虑这件事的。
I simply don't know. He may have plans, but he hasn't yet spoken to me about them.
我一点儿都不知道。他也许有计划，但他还没跟我谈他的想法呢。