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The program, which calculates however loud a sonic boom would sound at various ocean depths, will enable engineers to alter designs of future supersonic aircraft in order to minimize the effects of sonic booms on whales and fish.
A however B at C to alter D on
答案是A 不明白为什么错,帮忙回答下
A however B at C to alter D on
答案是A 不明白为什么错,帮忙回答下
however = no matter how..
即，在各种海洋深度中，无论声波发出的声音如何隆隆作响...
表转折关系啊
however表示转折的关系，一般用的时候是要用逗号隔开的。例如：I want to see her right now,however,......