The engine will take half an hour to cool down.

发动机要等半小时后才能冷却下来。

This side should face upward. Take care not to put it upside down.

这一面朝上别放颠倒了。

It would take some doing to calm him down.

让他平静下来得花点心思。

免责声明：本站文字信息和图片素材来源于互联网，仅用于学习参考，如内容侵权与违规，请联系我们进行删除，我们将在三个工作日内处理。联系邮箱：chuangshanghai#qq.com（把#换成@）