Retinometer
视网膜计
🗣️ 情景例句
When you're out in the fresh air like this, it makes you hungry.
当你来外面呼吸这么新鲜的空气时， 就很容易饿。
These clothes are very beautiful, but I can't afford to pay that much.
这些衣服很漂亮，但是我买不起。
We have a problem with your order.
你订的货有点问题。