Metescufylline
[化] 甲七叶茶碱; 香豆茶碱
🗣️ 情景例句
Camping out is such great fun.
露营是件非常好玩的事。
Prosperity discovers vices and adversity virtues.
顺境显邪恶，逆境见善性。
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。