Ultraphonic
超聲的, 超聽的
??? 情景例句
That's a good sign.
這是個好兆頭。
We learn not at school, but in life.
學習不在校，而在生活中。
You will grow stronger each time, until you can do and finish what you started out to do.
每次你會變得更堅強，直至你完成你著手進行的事情。