Focimeter
焦点计
🗣️ 情景例句
Sometimes, by buying something cheap now, you will be costing yourself more in the long run.
有时候你花了很少钱买了便宜货，但它日后可能要花掉更多的钱。
The chemist discovered a new synthetic material.
化学家发现了新的复合物质。
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