医生的照顾，是不是一个泡沫的保护，和心脏病是不是精确的科学，很多人希望它。
A doctor's care is not a protective bubble, and cardiology is not the exact science that many people wish it to be.
康奈尔大学的机器人“游侠”不会与人交流，它的“眼睛”只是“泡沫保镖”，保护它防止摔倒。
The Cornell Ranger Robot can't have a conversation with you, and the "eyes" are just foam bouncers for protection in case it falls.
一些汽车制造商和定制服务商可以在你的油箱里填入一种用于赛车的泡沫材料来保护油箱和节约燃料。
Some automobile makers and customizers can fit your tank with a kind of foam used in race cars to protect fuel tanks and conserve fuel.
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