Multiphotocoupler
多重光电耦合器
🗣️ 情景例句
I've thought about that for some time.
我已经想过一阵子了。
Grocery bills are expensive.
食品价格昂贵。
Recent scientific evidence seems to indicate that this assumption is incorrect.
但近期科学研究发现，好像这种假设是不正确的。