Xlc
abbr. xenon lamp collimator 氙灯平行光管，氙灯准直仪
🗣️ 情景例句
Mom! Is it for me?
妈妈 是我的吗
The beginnings of all things are small.
万事开头小。
How long can you hold your breath underwater?
你在水里屏住气不呼吸能呆多久？