That only occasionally works. If I like the tie, I cave in and take it to the dry cleaner.
如果我当真喜欢这条领带的话,我会把它从衣橱里揪出来,送到干洗店花钱把它打点干净。
Anyway, as I were saying, by analyzing these echoes, the bat can determine, say, if there is wall in a cave that it needs to avoid, and how far away it is.
总之,就像我刚才讲的,通过分析这些回声,蝙蝠可以确定,比如说,洞穴里是否有需要避开的墙壁,以及它的距离有多远。
I began a second drawer for more general discoveries: new cave system discovered with dozens of nameless species, four hundred species of bacteria found in the human stomach.
我打开了第二个抽屉里,寻找更普遍的发现:在新的洞穴系统里发现了几十种不知名的物种,在人的胃里发现了400种细菌。
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