Efficiency test
[计] 效率试验
🧩 词语组成解析
🗣️ 情景例句
That's right.
是的。
All things are difficult before they are easy.
凡事都是先难后易。
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹奏一支曲子时，我们才第一次看到那条蛇。