1 - 1. Referring to something that happened in the past, or something that is going to happen in the future: 2. 以后 is usually used after a point of time or a period of time Examples: 十个小时以后他们终于到达了目的地
Can we also say 電火楯 or 電線楯 ? No, we typically use “电线杆“ (diànxiàn gān) for “utility pole.“ The terms “电火盾“ (diànhuǒ dùn) and “电线盾“ (diànxiàn dùn) are not commonly used.
