Optical system
[计] 光学系统\\n[化] 光具组
🧩 词语组成解析
🗣️ 情景例句
How much does it cost?
这得花多少钱？
We would like to point out that delivery before Christmas is essential and hope you can offer us that guarantee.
我们想指出圣诞节前交货很重要并希望贵方能就此向我们作出保证。
Twelve days later, millions more Indians lined the railway tracks as a slow train took the jar containing his ashes 584 kilometres to a place by the river.
12天后，当一列慢车将盛有甘地骨灰的坛子驶向584公里外，靠近恒河的一个地方时，又有数百万人排列的铁路两旁，夹道送行。