Lif
[化] 激光诱导荧光
🗣️ 情景例句
who really needs to be wearing a tuxedo,
真正需要穿燕尾服的人，
A man knows his companion in a long journey and a little inn.
路遥知马力，日久见人心。
Is there any sugar in the bottle?
瓶子里还有糖吗？