我听录音带时，反应不够灵敏。
While listening to the tape, my reaction is not quick enough.
唯一的一种平衡，平衡是不够灵敏，小螺旋桨是磁性的类型。
The only type of balancer that is sensitive enough to balance small propellers is the magnetic type.
蝗虫不够灵敏？但它们飞得远，四只翅膀的昆虫能够一气飞行几百英里。
What locusts lack in agility, they make up for in distance: the four-winged insects are built to fly hundreds of miles at a time.
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