Heptoxide
[建] 七氧化物
🗣️ 情景例句
Yes, I'd like a glass of ginger ale with ice.
是的 我要一杯加冰块的姜味汽水。
A scientist has come up with a good idea. That's it!
科学家想起了一个好创意。就是这个！
A little. He fell and hit his leg on a table.But he's OK now.
伤了点儿。他跌倒了，腿撞在桌子上。但是现在已经好了。