Problem-solution
问题解决
🧩 词语组成解析
🗣️ 情景例句
They talk about things like family, work, school or sports.
他们常常谈论家庭，工作，学校或运动。
Hurray!
万岁！
The twin towers are 110 storeys high, but high-speed lifts controlled by computer take only a minute to reach the top.
这座双塔式大楼有110层高，而由电脑控制的高速电梯只需一分钟就可以到达塔顶。