Variation problem
[计] 变分问题
🧩 词语组成解析
🗣️ 情景例句
Then we have to furnish it.
然后我们还得装潢摆设。
Have you washed any dishes?
你洗碗碟吗？
The radio says the snow will stop later in the day.
无线电广播说 今天晚些时候雪会停的。