Optron
光导发光元件
🗣️ 情景例句
In addition, it's great exercise too, since we do a lot of hiking.
还有，那也是个好的运动，因为我们要长距离徒步旅行。
One good turn deserves another.
以德报德。
when the whole animal is sometimes preserved, as in a refrigerator.
有时整个动物像被放在冰箱里一样被保存下来，