Photonics
[复]n.[用作单][物]光子学
🗣️ 情景例句
Are you married?
你有家室吗？
I'm innocent.
我是清白的。
The use of gloves was not introduced until 1860, when the Marquis of Queensberry drew up the first set of rules.
1860年昆斯伯里侯爵第一次为拳击比赛制定了规则，拳击比赛这才用上了手套。