Ondulation
. 波浪式振荡, 波动
🗣️ 情景例句
Please pack your products in accordance with our requirements.
请你方按照我们的要求包装货物。
Congratulations on your having passed the test.
我恭喜你通过了考试。
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。