Optronics
光电子学, 光导发光学
🗣️ 情景例句
Let it be.
随它去。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
Did you know that Stone ended up marrying his secretary?
你知道吗？斯通最终和他的秘书结婚了。