Helicograph
n. (画螺旋曲线用的)螺旋规
🗣️ 情景例句
Hi, Betty. I'll be at five five five...seventeen twenty.
好 Betty 我的号码是555-1720。
Old vessels must leak.
旧船必漏。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。