Perisporium
周壁
??? 情景例句
Is there a limit to how many I can purchase at this price?
我買這種東西在數量上有什么限制嗎？
She showed me her gratitude by inviting me to dinner.
她邀請我吃飯以表示她的感激。
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陸地上生活過的動植物的遺體被保存下來的更為罕見，因為陸地上幾乎沒有什么東西覆蓋它們。