Reading passage
供阅读的短文
🧩 词语组成解析
🗣️ 情景例句
She'll be fine.
她不会有事。
I was just about to call you.
我正准备打电话给你。
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。