Optical indices
[医] 光学指数
🧩 词语组成解析
pl. 索引, 指针, 指数, 指标
🗣️ 情景例句
We're interested in importing a complete bottling machine for exhibit and sale.
我们有兴趣进口一整部装瓶机，以备展示和销售。
Yes, a little.
是,会一点。
They are working hard on the farm. The children are picking apples.
他们正在农场卖力地干活。孩子们在摘苹果。