实际上，它们有2000个这样的基因，是老鼠的两倍。

In fact, they have 2,000 of them, twice as many as the rat.

youdao

这狮子和这老鼠是快乐的。 它们是朋友。

The lion and the mouse are happy.They are friends.

youdao

“我也这么想，”露茜说，“我看它们是友好的老鼠。”

"That's what I thought," said Lucy. "I think they're friendly mice."

youdao

从前，有两只老鼠，它们是好朋友。

Once there were two mice. They were friends.

youdao

这狮子和这老鼠是快乐的。它们是朋友。

The lion and the mouse are happy. They are friends.

youdao

城里老鼠和乡下老鼠从前，有两只老鼠，它们是好好友。

The City Mouse and the Country Mouse Once there were two mice. They were friends.

youdao

从前有两只老鼠，它们是朋友。

There are two rats running in the kitchen.

youdao

从前，有两只老鼠，它们是好朋友。

Once there were two mice, and they were friends.

youdao

城里老鼠和乡间老鼠畴前，有两只老鼠，它们是好伴侣。

The City Mouce And the Country Mouse Once there were two mice. They were friends.

youdao

城里老鼠和乡间老鼠畴前，有两只老鼠，它们是好伴侣。

The City Mouce And the Country Mouse Once there were two mice. They were friends.

youdao