我们必须保持地球干净整洁！

We must keep the earth clean!

youdao

我们必须保持更为中间的路线。

We must chart a more centered course.

youdao

我们必须保持高度的警惕。

We have to stay vigilant.

youdao

我们必须保持安静。

We must keep quiet.

youdao

我们必须保持所有的通讯线路畅通。

We must try to keep all lines of communication open.

youdao

我们必须保持平常心继续比赛。

We must stay calm and continue to work.

youdao

遗憾的是，我们必须保持这个实现的基本框架。

Unfortunately, we must keep this implementation bare boned.

youdao

我们必须保持一些储备的食品。

We must keep some reserves of food.

youdao

我们必须保持动物园规则牢记在心。

We must keep the zoo rules in mind.

youdao

我们必须保持我们的学校清洁。

We must keep our school clean.

youdao

我们必须保持我们的教室干净。

We must keep our classroom clean.

youdao

我认为，我们必须保持一切的观点。

But, I think you need to put this in perspective.

youdao

我们必须保持我们的思想圣洁纯真。

Our minds are to be holy and pure.

youdao

我认为，我们必须保持一切的观点。

I think we need to keep everything in perspective.

youdao

对此，我们必须保持高度的警惕。

We must be constantly alert to this danger.

youdao

夏天我们必须保持牛奶和肉类的新鲜。

In summer, we have to keep milk and meat fresh.

youdao

在阅览室我们必须保持安静。

We must keep quiet in the reading room.

youdao

我们必须保持教室干净整齐。

We must keep our classroom clean and tidy.

youdao

我们必须保持教室干净整洁。

We must keep the classroom clean and tidy.

youdao

我们必须保持这个房间清洁。

We must keep this room clean.

youdao

好的我们必须保持安静好不？

Okay. Just, we gotta be really quiet, okay?

youdao

我们必须保持清晰的头脑。

We should keep clear minds.

youdao

我们必须保持高学术水准。

We must keep high academic standards.

youdao

我们必须保持教室清洁。

We should keep our classroom clean.

youdao

我们必须保持学术水平。

We must maintain academic standards.

youdao

我们必须保持空气清新来保证我们的健康。

We must have fresh air to keep us in good health.

youdao

我们必须保持空气清新来保证我们的健康。

We must have fresh air to keep us in good health.

youdao