Optical thickness
[化] 光学厚度
🧩 词语组成解析
🗣️ 情景例句
Hello.
好。
You ought to have that coat cleaned and pressed.
你应该把那件大衣清洗并且压一下。
When Dickie was given the watch, the presented the assistant with the cloth bag.
店员为迪基拿出了那块手表，迪基把布口袋递给他，口袋里面装着300镑的便士。