Optron
光导发光元件
🗣️ 情景例句
When can we go fishing?
我们什么时候去钓鱼？
We should require a survey report, so that we may know the extent of the damage.
我们将要求出具检验报告，以便我们能了解损坏的程度。
The inspector began to look for fingerprints, while the constable checked that the front door locks had not been forced,
巡官开始搜寻指纹，警察经检查发现大门锁头并无撬过的迹象。