Echard
n. [农](土壤中的)无效水量
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
A road of a thousand miles begins with one step.
千里之行始于足下。
The city dweller never experiences anxieties of this sort.
这种焦虑，城里人是从未体验过的。