Interphone system
[電] 互通系統
?? 詞語組成解析
n. 對講機\\n[電] 互通機
??? 情景例句
What did they say?
他們說什么?
I can't remember what John was doing yesterday afternoon.
我不能記得約翰昨天下午正在做的東西。
The eraser goes from one student to another first one way, then another.
橡皮擦從一個學生傳給另一個學生－先從這個方向傳過去，然后返回來。