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在開始實驗前，我以為自己因為懂法語、還有基礎西班牙語，葡萄牙語應該學起來得心應手。相反地，中文對我來說陌生到不能再陌生。
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身边的同事聊起故乡，也总有这样的感叹。不过是隔了一段时日没回去，故乡就悄悄有了新变化。这变化，不是大刀阔斧改天换地，倒像是绣花，一针一线地，往这烟火人间里绣进些妥帖而温柔的针脚。
If they have time, astronauts and cosmonauts will look to plug the leak or close the hatch to the leaking section of the station. (That is how they dealt with a minor leak in the station’s PrK module for a number of years, and it basically worked.) Remember, though, that this is the worst-case scenario, and our crew will run into a hard deadline. Once pressure falls to around 490 mm Hg, NASA says, critical systems risk breaking down. Astronauts could suffer hypoxia, oxygen deprivation so debilitating they could become delirious. It will be a heart-wrenching call, but if nothing else can be done, the crew will need to go to their crew vehicles and leave the ISS.