Principle of conservation
[经] 稳健原则
🧩 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];
🗣️ 情景例句
Well, here's the bottle opener, and here's the flashlight.
哦 ，这是开瓶器 ，这是手电筒。
None but the brave deserve the fair.
英雄才能配美人。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。