Keyshelf
鍵盤, 鍵架, 電鍵盤
??? 情景例句
English.
英語。
There are three terms in a school year.
一學(xué)年有三個學(xué)期。
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。