Chinese translation of 'lag behind'

• heat of combustion
• heat of formation
• heat of fusion
• heat of reaction
• heat of solution
• heat of vaporization
• heat pipe
• heatproof
• heat prostration
• heat pump
• heat rash
• heat-resistant
• heat seeker
• heat-seeking
• heat-sensitive
• heat shield
• heat sink
• heat source
• heatspot
• heat stroke
• heatstroke
• he attempted a smile
• heat transfer
• heat-treat
• heat treatment