Basiconic
锥形的
🗣️ 情景例句
You were right, Robbie.
你做对了， Robbie。
My uncle was a pilot with the airlines.He just retired.
我的叔叔是航空公司的一名飞行员，他刚退休了。
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。