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Dioptres
US
・
UK
A1 初級
n. pl.
名詞 (複數)
屈光度
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關於你的眼睛,你不知道的40件事 (40 Things You Didn't Know About Your Eyes)
07:12
approximately 18
dioptres
, roughly one third of the eye’s total power. This makes an
B1 中級