Racs
[医][=relative absorption cross section]相对吸收截面，相对吸收断面
🗣️ 情景例句
Don't count on a salary increase this year.
别指望今年会给你加薪。
Off base!
太离谱了吧！
when H.M.S. Porcupine was put at the disposal of the Royal Society for several cruises,
皇家学会用英国"豪猪号舰艇进行了几次巡航后，