Waals
（荷兰物理学家；曾获1910年诺贝尔物理学奖）瓦尔斯（姓氏）
🗣️ 情景例句
No...I can't remember taking pictures of people exercising.
没有 ……我好像没有拍过人们练健身操的照片。
I have forgotten his telephone number.
我忘记了他的电话号码。
Could you do me a big favor?
能否请你帮我个忙？