Heptasulfide
七硫化物
🗣️ 情景例句
... I care about people, not things.
……我关心人， 而不是东西。
He that has no children knows not what is love.
没有孩子的人，不懂什么叫爱。
I have just moved to a house in Bridge Street.
我刚刚搬进了大桥街的一所房子。