Topocart
地形立体测图仪
🗣️ 情景例句
Eating salad is good for your health.
多吃色拉（蔬菜）对你的健康有益。
History repeats itself.
历史本身常重演。
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。