The turning disc is connected by a drive belt to an electric motor.
转盘与电动马达之间由一条输送带连接。
《柯林斯英汉双解大词典》
2
The motordrive is also known as "the poor man's tripod." True enough.
产生连拍功能的电动卷片马达被称为“可怜人的三脚架”，的确如此。
3
Finally, as our time on the island was running out, the longed-for light swept across the valley and the chatter of my Nikon motordrive echoed off the hills.