we never know the worth of water till the well is dry
井干了才知道水的可贵
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For the past three years, I was invited to write four articles of water resources, works such as We Never Know The Worth of Water Till the Well Is Dry.
三年来，我写了四篇关于珍惜爱护水资源的文章，如《井枯方知水珍贵》。
youdao
应用推荐
模块上移
模块下移
不移动