Optical density
[计] 光密度\\n[化] 光密度; 黑度
🧩 词语组成解析
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Lava flowed out of the crater.
喷火口流出了熔岩。
have been frightened out of their wits by giant fish bumping into them as they work.
他们曾在工作时被撞到他们身上的大鱼吓得惊惶失措。