Erysiphe
n. 白粉属；白粉菌属
🗣️ 情景例句
By the way, what are you going to do on Christmas?
顺便问一下，圣诞节你打算做什么？
He is rich enough who owes nothing.
无债就是富。
We'll take our holiday sometime in August.
我们将在八月份的某个时候休假。