Special variable
[计] 专用变量
🧩 词语组成解析
🗣️ 情景例句
There was no way he could solve the problem.
他根本解决不了这个问题。
The stations are always full of people.
火车站里经常挤满了人。
and these will ply the short wings with such irresistible power that they can bore for long distances through an opposing gale before exhaustion follows.
这些肌肉以巨大的力量扇动短小的翅膀，使这类鸟能顶着大风飞行很远的路才会疲劳。