pendulums的音标：...

An alternative approach using pendulums and dashpots is often used.叠代法中往往使用单摆和冲击板.Good clocks have pendulums which are automatically compensated for temperature changes.好钟的钟摆可以自动补偿温度变化.The pendulums of the clocks in thei...

n.摆，钟摆( pendulum的名词复数 )，摇摆不定的事态（或局面）...