Variopter
(滑动)光学计算尺
🗣️ 情景例句
Can I see your selection of perfumes?
我能看一下你们的香水吗？
We never know the worth (or value) of water till the well is dry.
井枯方知水可贵。
Modern sculpture rarely surprises us any more.
现代雕塑不再使我们感到惊讶了。