jettisons
v.
抛弃，丢弃( jettison的第三人称单数 );
例句:
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Grizzly bear paw whacks camera out of position and jettisons it downstream.
大灰熊的爪子把摄像机移出了固定的位置并且把它扔到了下游.
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Shortly after deploying the parachute, the spacecraft jettisons its heat shield and turns on its ground-sensing radar system.
来自SA