Elementary object
[计] 基本目标
🧩 词语组成解析
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
A straw shows which way the wind blows.
一叶便知秋。
Imagine their surprise and delight when they broke open the packing cases and found that the fourth engine was sweet as honey -- still in perfect condition.
想一想他们所感受到的惊奇和兴奋 —— 当他们拆开包装箱时，他们发现第4台发动机就像蜂蜜一样甜 —— 发动机完好无损。