Yo-yo
大学 Collegen. 溜溜球
📖 牛津释义
Yo-Yo
n
(pl ~s) (propr 专利名) toy consisting of two thick discs of wood or plastic with a deep groove between, which can be made to rise and fall on an attached string when this is jerked with a finger 悠悠（玩具, 为木制或塑料制两厚圆盘, 中间有一深沟连接一绳, 用手指抻绳可使之沿绳上下移动）
The price of petrol is going up and down like a Yo-Yo. 汽油的价格像悠悠一样忽上忽下.
🧩 词语组成解析
int. 唷（表示鼓励, 警告）；嗨（表示应答）
int. 唷（表示鼓励, 警告）；嗨（表示应答）
🗣️ 情景例句
I'm leaving on Northwest flight 102 on Sunday the thirteenth.
我在星期天、也就是十三号乘坐西北航空的102航班离开。
We'll leave some evenings free,that is,if it is all right with you.
如果你们愿意的话，我们想留几个晚上供你们自由支配。
Slowly, she said, We were all here before you. You must wait for your turn. Do you understand?
“我们这儿个个都排在你前面。你得等轮到你才行。你懂吗？”