Feep
n. (计算机终端发出的)尖笛声
🗣️ 情景例句
But I'm still a little worried about you, Ellen.
但我还是有点牵挂着你， Ellen。
The thunder claps really scare the children.
打雷的声音真的会吓坏小孩子的。
he realizes its volume, as the space that the shape displaces in the air.
他能意识到物体的体积，那就是它的形状在空气中所占的空间。