Conservation of resources
[经] 资源保护
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
resources
[[ri'zɔ:siz]]
n. 资源；物力（resource的复数）
🗣️ 情景例句
That's nice. Length. Length?
太好了。身高 ，多高？
I am very content with my life at present.
我很满足目前的生活。
Once, however, it failed to give the correct time.
然而有一次，它却把时间报错。