Phytaeron
空中微生物(群落)
🗣️ 情景例句
No sweet without sweat.
不流汗就没有幸福。
Where's a tax-free shop?
免税店在哪儿？
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。