Helicograph
n. (画螺旋曲线用的)螺旋规
🗣️ 情景例句
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
I have been working too hard; it's time I relaxed.
我太疲劳了，该在这里休息一下。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。