Vector difference
[电] 向量差
🧩 词语组成解析
🗣️ 情景例句
It was only a tummy ache.
仅仅是肚子有点痛。
I'm going to have some x-rays taken.
我要拍摄Ｘ光照片。
One hour and seventeen minutes passed and we had not even covered half the distance.
1小时17分过去了，走了还不到一半路程。