Constant quantity
恒量，常数
🧩 词语组成解析
🗣️ 情景例句
Marilyn and Richard will be home from the hospital any minute,
Marilyn和Richard随时都会从医院回来，
Have you drunk any fruit juice.
你喝过果汁吗？
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。