开关上的load是出线、接负载的意思。英语单词load可作名词和动词，作为名词时，中文含义有“负载”、“装载量”、“容纳量”、“承载量”；作为动词时，中文含义有“装上”、“承载”、“大量给予”。
load的基本含义及用法介绍
1、当load作为名词时，意为负载;负荷;装载量;容纳量;承载量。
例句：The trucks waited at the warehouse to pick up their loads.
货车在仓库等着装载货物。
They ordered three truckloads of sand.
他们订购了三卡车沙子。
Modern backpacks spread the load over a wider area.
新式背包把承重量分散在更大的面积上。
He wrote loads and loads of letters to people.
他给人们写了很多很多的信。
Teaching loads have increased in all types of school.
各种学校的教学工作量都增加了。
Knowing that they had arrived safely took a load off my mind .
得知他们平安到达后我如释重负。
2、当load作为动词时，意为(把大量…)装上，装入;承载;装载;大量给予(尤指得携带的东西)。
例句：We loaded the car in ten minutes.
我们十分钟就装好了车。
Sacks were being loaded onto the truck.
人们正在把麻袋装上卡车。
The ship was still loading.
那条船还在装货。
They loaded her with gifts.
他们送了她很多礼物。
She loaded the camera with film.
她在照相机里装了胶卷。
