1·Pack the heaviest objects close to the body, and place little ones outside.
把最重的物品装在靠近身体的地方，把小物品放在外面。
2·And that's because the heaviest organ is not one that most people would consider an organ at all, nor would one expect it to be so heavy.
这是因为这个最重的器官，大多数人根本就不会去认为它是一个器官，也不会想到它竟有如此大的重量。
3·Although Saint Bernards are no longer used for rescue work, they do still hold the world record for heaviest dog-a certain show dog, Benedictine, weighed in at 343 pounds!
虽然现在圣伯纳德犬已经不再用作救援犬了，它们仍旧保持着世界最重犬类的记录——其中作为表演狗的圣本铎犬，重达343磅。
4·Although the stars are still among the heaviest known, the mass limit has not been broken due to the multiplicity of the system.
虽然它们仍然是已知最重的恒星，但是在这个多星系统内，恒星的质量上限就不会被突破了。
5·The galaxy's brightest, hottest, heaviest stars turn out to be crucial for both planets and biology.
星系中那些最耀眼，最炙热，最重的恒星对于行星和生物来说也最关键。