Acris
蝗蛙屬
??? 情景例句
The teacher flunked him in geography.
老師給他的地理打不及格。
I'm going to try to leave by 10:00.
我爭(zhēng)取10點(diǎn)以前離開(kāi)。
It's smaller than the blue one.
它比那件藍(lán)色的還要小。