我乘坐的独木舟船头坐着个男孩，他用简陋的弹弓——橡皮弹架和皮索——发射石弹击打飞鸟。
The boy in the bow of my canoe slapped stones at birds with a simple sling, a rubber thong and leather pad.
比方说，当你想要重新拾起荒废已久的钢琴时，不要多想，去在48小时内找一架来弹吧，看看到底感觉怎么样。
If you think you might want to take up piano again, instead of "thinking about it," just go play one within 48 hours, and see how it feels.
它利用雷达和光学传感器来计算出入弹的道弹的轨迹，然后从一车顶架(图)发射出射弹去拦截导弹。
It USES radar and optical sensors to calculate the trajectory of an incoming warhead, and then intercepts it with a projectile fired from a roof-rack (pictured).
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