Libellulidae
蜻科
🗣️ 情景例句
The performance of the stock market can reflect economic conditions.
证券市场的表现能反应经济状况。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
This time they fixed heavy metal clamps to both sides of the dish so that they could fasten the chains.
这次，他们用沉重的金属夹子把盘子夹住，以便往盘子上安装铁链。