洲际飞行

continent-to-continent flight

• specify
• sped
• speech
• speechless
• speed
• speeder
• speedily
• speed up
• speedy
• spell
• spelling
• spell out
• spelt
• spend
• spent
• spirit
• spiritual
• spiritually
• splendid
• splendidly
• spoke
• spoken
• spokesman
• spokesmen
• spokesperson