Heptoxide
[建] 七氧化物
🗣️ 情景例句
Yes, both. Last trip I fished a little and hiked three miles.
是的，两者都做。上次出去时，我钓了一会儿鱼，又步行了三英里。
My watch says two o'clock.
我的表是两点钟。
Who has not stood in awe at the sight of a spider pouncing on a fly, or a column of ants triumphantly bearing home an enormous dead beetle?
当看到蜘蛛扑向一只苍蝇时，一队蚂蚁抬着一只巨大的死甲虫凯旋归时，谁能不感到敬畏呢？