let-off的翻译，读音
英/'letɔf/
释义：
n. 免罚, 释放, 放过
[法] 免除, 免罚
n. A device for letting off, releasing, or giving forth, as
the warp from the cylinder of a loom.
[法] 免除, 免罚
n. A device for letting off, releasing, or giving forth, as
the warp from the cylinder of a loom.