单词	双臂杠杆
释义	双臂杠杆double armed lever
随便看	tropical commercial plantation agriculture tropical continental air tropical continental air (mass) tropical continental air mass tropical continental air mass--continental tropical air mass tropical continental climate tropical crop tropical cyclone tropical-cyclone rain tropical cyclone warning tropical day tropical daylight fluorescent lamp tropical deciduous forest tropical depression tropical desert tropical desert climate tropical diarrhea tropical disease tropical--disease tropical disturbance tropical disturbance--tropic disturbance tropical duckweed tropical duckweed--pistia--water lettuce tropical ear tropical easterlies