Transmittivity
(非散射介质单位厚度的)透射率, 透射系数
🗣️ 情景例句
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
I did exercise last week.
我上星期做练习。
He waved desperately to his companion, who had been water skiing for the last fifteen minutes.
他绝望地向他的伙伴挥手，他的伙伴在过去的15分钟里一直在滑水。