ballistite[ˈbælistait]

n. 火箭固体燃料

• uprated
• uprear
• upreared
• upright
• uprise
• uprising
• uproar
• uproot
• up-roused
• upset
• upshoot
• upshot
• upside
• up-spring
• upstage
• upstairs
• upstanding
• upstart
• upstream
• upsurge
• upswarm
• upswing
• uptake
• uptight
• uptilt