Aeroduct
冲压式喷气发动机, 离子冲压喷气发动机
🗣️ 情景例句
Hi, Dad. Am I interrupting you?
嗨，爸爸。我打搅了你吗？
Is this within the tax-free limit?
这个在免税限额内吗？
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。