3. ... but this being my first experience, I stayed at the top and watched them.

......我是第一次经历这样的事，所以留在山顶上观察他们。 独立主格结构在句中作原因状语。 Her glasses broken, she couldn't see the words on the blackboard.

由于她的眼镜破了，她无法看清黑板上的字。 　　

　　1．(教材P34)．.. sometimes using scientific equipment and sometimes meeting local people and tourists, I am never bored.

　　......有时(工作中)要用科学仪器，有时要会见当地百姓和旅游人士，我从来不感到(工作)无聊。

　　equipment n. [U]设备；装备

　　①Unfortunately, you must carry the necessary equipment with you, since it's all but impossible to find natural substitutes. (2017·全国卷Ⅰ)

　　不幸的是，你必须随身携带着这件必要的设备，因为几乎不可能找到天然的替代品。

　　②The equipment of the photographic studio was (be) expensive at that time.

　　在那时，这个摄影室的装备花费巨大。

　　[名师点津]　equipment通常用作不可数名词；"一件设备"应表达为"a piece of equipment"。

　　(1)equip v．　　　　 　 　 配备；装备

　　equip ... with ...＝be equipped with

　　 用......装备......

　　equip sb. for ... 使某人为......而有准备/有能力

　　equip sb. to do sth. 让某人具备做某事的能力

　　(2)be well/badly equipped 设备精良的/较差的

　　③The boys equipped themselves with food and water and then set off.

　　男孩们备好食物和水就出发了。

　　④We must equip young teachers to deal (deal) with difficult children.

我们必须让年轻教师具备处理有问题学生的能力。