Varister
变阻器; 可调电阻器
🗣️ 情景例句
It's almost lunchtime, and no fish yet.
差不多到午餐时间了， 还没钓到鱼。
The secret of wealth lieth in the letters SAVE.
节俭是致富的秘诀。
Are there any other other people on the island?
岛上有人（居住）吗？