Otds
abbr. optical time division switching 光时分交换
🗣️ 情景例句
So it seems.
好像是这么回事。
The devil is not so black as he is painted.
魔鬼不像所描绘的那么黑。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。