Optical path difference
[化] 光程差
🧩 词语组成解析
path
[pæθ]
n. 小路，路;路线，路程;〈比喻〉（人生的）道路;（思想，行为，生活的）途径;
🗣️ 情景例句
Help! Help! I can't swim!
救命！ 救命！ 我不会游泳
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
In his own lifetime Galileo was the centre of violent controversy;
伽利略在世时是激烈论战的中心。