膨胀；改变截面曲线的形状；气泡；浮起的英文

bu le

bubble

• 膨胀:    expand; swell; dil ...
• 改变:    change; alter; tra ...
• 截面:    section; cross sec ...
• 曲线:    curve; curved line
• 的:    4次方是 The fourth po ...
• 形状:    form; appearance; ...
• 气泡:    air bubble; bubble ...
• 浮起:    assurgent; levitat ...