Descent method
[计] 下降法
🧩 词语组成解析
🗣️ 情景例句
He and my Grandpa both went there.
他和我爷爷都曾在那儿读书。
The fire is the test of gold; adversity of strong man.
烈火试真金，困苦练壮士。
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。