Optical invariant
[化] 光学不变量
🧩 词语组成解析
invariant
[in'vεəriənt]
adj. 无变化的，不变的;
n. 不变式，不变量;
🗣️ 情景例句
And they don't ask a married couple with no children Why don't you have any children?.
他们也不会问结了婚没有孩子的夫妇“你们为什么不要孩子？”。
Do you know where I've put my glasses?
你知道我把眼镜搁哪儿了吗？
'You needn't be so rude about it,' my wife answered as she looked at herself in the mirror.
“你说话没必要这样不客气，”我的妻子边回答边照着镜子。