这意味着它像一个传统的圆形气球，并不像那些迄今一直作为商业运输使用的瘦长的可驾驶的飞艇，此飞船没有方向性。
This means that like a traditional, round ballon-and unlike the elongated dirigible blimps that have hitherto been used as serious modes of commercial transport-the craft is "directionless".
一根手指的弹击足够使一个气球加速离去，当气球运动时，一点动力，甚至空气的摩擦力可以很快使它慢下来。
The flick of a finger is enough to make a balloon accelerate away. When moving, it has little momentum and even the friction of the air quickly slows it up.
一个飞行员发现了一只气球，它像是正飞往附近的一个皇家空军基地。
A pilot noticed a balloon which seemed to be making for a Royal Air Force Station nearby.
不过，工作就像是一个敞开口的气球，你只有一直给它充气，它才会保持膨胀。
But a career is like an open balloon. It remains inflated only as long as you keep pumping.
牛顿第三定律和喷气式飞机的动作都可以简单地证明了一个气球膨胀和释放它，排出的空气成为推动了相反的方向气球。
Newton's third law and the action of a jet can be demonstrated in simple terms by inflating a balloon and releasing it, the escaping air propels the balloon in the opposite direction.
我找到了儿子的一个气球，然后把它固定在圆盒子里。
照片是这样拍摄的：一个装满水的长条形气球，放置在一个栏杆上，然后用尖钻去刺破它。
To stage this photo, a long balloon was filled with water, set on a railing, and punctured with a sharpened awl.
它一出现就要够到它，就像抓住一个在湛蓝的天空下飘向大海的气球。
Reach out for it at the moment it appears, like a balloon drifting seaward in a bright blue sky.
一个飞行员发现了一只气球，它像是正在飞往附近的一个皇家空军基地。
A polit noticed a balloon which seemed to be making for a Royal Air Force Station nearby.
童时， 丢很多东西会很伤心， 丢了自尊一样地哭。只有一个东西，似乎不太一样。——气球。看它越变越小， 直到消失。想知道到天空的距离有多远。
Time is a river the irresistible flow of all created things. one thing no sooner comes into view than it is hurried past and another takes its place only to be swept away in turn.
童时， 丢很多东西会很伤心， 丢了自尊一样地哭。只有一个东西，似乎不太一样。——气球。看它越变越小， 直到消失。想知道到天空的距离有多远。
Time is a river the irresistible flow of all created things. one thing no sooner comes into view than it is hurried past and another takes its place only to be swept away in turn.
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