Semiapochromat
[醫] 半復消色差物鏡
?? 醫學釋義
半復消色差透鏡
??? 情景例句
I didn't realize how late is was.
我不知道已經這么晚了。
A friend is best found in adversity.
患難見真友。
I suddenly felt very worried, but could not say anything.
我突然非常著急起來，但卻什么也說不出來。