So silent and constant is the presence of the sea that I may go most of a day without observing it, or even registering that it is there.
大海是如此长久地沉默着，使得我一天中的大部分时间都没有注意观察它，或是甚至没有留意到它就在那儿。
Picking your favorite place, dating some of your best friends in a sunny day or peaceful night, no matter you are chatting or keeping silent, it will be a beautiful scene in your memory.
在阳光明媚的白天，或是宁静的夜晚，和最好的朋友选一个你喜欢的位置坐下，不管是聊天还是静静欣赏，这段时间都将成为记忆中美丽的画卷。
Fear not, because even while travelers are heading home, NASA continues working with others in industry and academia on technologies that will create a more silent night (and day) around airports.
毋须担心，因为就在旅客返家的这片刻，NASA与其合作者正在为了能在机场附近创造宁静的夜空(与白日)的科学与技术而奋斗着。
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