Xlc
abbr. xenon lamp collimator 氙灯平行光管，氙灯准直仪
🗣️ 情景例句
Safety first.
安全第一。
Whom will you vote for?
你将投票给谁？
My parents were visiting relatives, and my grandparents had decided to spend the day at home.
我父母走亲戚去了，祖父母打算那天在家呆着。