Heptoxide
[建] 七氧化物
🗣️ 情景例句
One week after I have submitted my resignation paper.
在我提交辞职信一星期后吧！
I hope you can have an exciting time on your trip.
我希望你的旅途有个兴奋的时光。
Long car journeys are even less pleasant, for it is quite impossible even to read.
乘汽车作长途旅行则更加不舒服，因为连看书都几乎不可能。