Radiability
射线透过性
🗣️ 情景例句
He is in a good mood.
他的心情很好。
The old man fumbled with the key in the dark.
老人在黑暗中摸索着寻找钥匙。
He may be conceited, ill-mannered, presumptuous or fatuous,
这些年轻人也许狂妄自负，举止无理，傲慢放肆，愚昧无知，