Optical thickness
[化] 光学厚度
🧩 词语组成解析
🗣️ 情景例句
Well, it's small, but clean.
噢， 它是小了点， 但是干净。
My money is all gone!
我一文不名了！
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，