🧩 词语组成解析
fifty-seven
🗣️ 情景例句
Really?
真的？
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
By correlating markings made in various parts of the world, historians have been able to read this difficult code.
历史学家通过把世界各地留下的这种痕迹放在一起研究，终于弄懂了这种费解的代码。