Trishomobullvalene
三高瞬烯, 六环十三烷
🗣️ 情景例句
I happened to meet her on the bus.
我凑巧在公共汽车上碰见她。
David must figure on at least seventy strong men for support.
戴维至少须把七十个壮汉的协助计算进去。
Are you making progress?
有进展吗？