One particular sequence in the first level has players scurry through backyards and finally climb into a tree house.

第一关的某特定情节要求玩家匆匆穿过后院，最后爬进一间树屋。

This was the first level of OBD installed on motor ethicals.

这是在汽车道德规范中安装的 OBD 的第一级。

So, that's the first level of support for I18N.

因此，这就是对I18N的第一级支持。

The first level items are presented appropriately.

第一级列表项目的显示是合适的。

To define the taxonomy, create the first level.

要定义分类，创建第一个级别。