Rais
abbr. 辐射源监管信息系统；红外反射-吸收光谱学（Reflection-Absorption Infrared Spectroscopy）
🗣️ 情景例句
Mom, got it.
妈妈， 找到了。
I would like to cancel the reserved seat.
我要取消已预定的位置。
Once there was an old tiger.
从前有一只年迈的老虎。