One was official: the Home States Ball, featuring both Illinois, from which Mr Obama was a senator, and Hawaii, the state in which Mr Obama grew up and where he still likes to take his holidays.
第一个就是官方举办的故乡舞会，融合了伊力诺依州和夏威夷的特色。因为前者是奥巴马就任参议员时所在的州，后者是他从小长大现在喜欢度假的地方。
I take the ball, I pass it under one foot, and then the other, I pick it up, bounce it, in short, I amuse myself with the ball.
我带球，把他从脚下传出，然后用另一个脚传。捡起球，反弹，总之，我用球娱乐。
The moment you relax or take your attention away from keeping it submerged, the ball will bounce back up and splash water in your face.
一旦你放松或一不留神那么球就会向上弹起将水溅在你的脸上。
Have never seen this ball, only with my relate and narrate him at the afterward room what directions up have such a ping-pong, he still can't take pellet to come to hand.
没有看到过这个球，仅凭我的讲述，告诉他在隔壁房间在什么方位上有这么一个乒乓球，他还是没办法把球取到手。
Once they are home, there is nobody there to pick up the ball and take it further. It is an organizational problem that has been recognized at least by the doctors.
患者们都想先回家，但一旦回到家中，他们没有人会拿起球，并采取进一步锻炼计划。
Also, you can think of it like water polo ball. If you take a water polo ball in the water, put your hand on it and press it down, you get pressure up against it that come up.
你也可以想象成一只水球，如果你拿个水球放在水中，把手放球上向下压，你就会得到上升的反作用力。
Steal ball mill is the most familiar equipment in coal-fired power plant. It's take up of 80%-85% in countrywide coal-fired plant, and it is used widely in other industries.
钢球磨煤机是我国火电厂制粉系统中使用最多的磨煤设备，约占全国电厂磨煤机总数的80% - 85%，且广泛应用于其他行业。
Steal ball mill is the most familiar equipment in coal-fired power plant. It's take up of 80%-85% in countrywide coal-fired plant, and it is used widely in other industries.
钢球磨煤机是我国火电厂制粉系统中使用最多的磨煤设备，约占全国电厂磨煤机总数的80% - 85%，且广泛应用于其他行业。
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