Tubercorm
球块茎
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
I don't think it's four o'clock yet.
我认为现在还不到四点。
That's my mother's brother.
是我妈妈的哥哥。