暗呼吸速率，便得到总光合速率的英文

gross photosyntheticrate

• 暗:    dark; dim; dull
• 呼吸:    breathe; respire
• 速率:    speed; rate; tempo
• 便:    quiet and comforta ...
• 得到:    get; obtain; gain; ...
• 总:    assemble; gather; ...
• 光合速率:    photosynthetic rat ...