Bromic series fire retardant occupies the 39 % of quantity of total demand about.溴系列阻燃剂约占总需求量的39%.The total of debits must balance the total of credits.借记总额必须与贷记总额相平衡。Consequently, the total flavone content of fructus au...
我能够听到他那急促的呼吸声。I could hear the sound of his ragged breathing.我听到一阵急促的敲门声.There was an insistent knock on my door.我听到急促的脚步声.I heard a scurry of footsteps....