我不知道那个不明飞行物的大小。

I don't know the size of the UFO.

youdao

我不知道这个房间的确切大小。

I don't know the exact size of the room.

youdao

我不知道他房间的大小。

I don't know the size of his room.

youdao

因为我们不知道你的大小。

We didn't know your size.

youdao

不知不觉中，我们的迷你兔都快赶上西瓜大小了。

Before we knew it, our hybrid pygmies were nearly as big as watermelons.

youdao

不知不觉中，我们的迷你兔都快赶上西瓜大小了。

Before we knew it, our hybrid pygmies were nearly as big as watermelons.

youdao