That doesn't mean you can expect to see Darpa researchers walking down every block with chemical-sampling canisters any time soon.
这并非意味着你将很快能看到DARPA的研究员们在每个街区走来走去，手里拿着化学品采样的小罐子。
That doesn't mean you can expect to see Darpa researchers walking down every block with chemical-sampling canisters any time soon.
这并非意味着你将很快能看到DARPA的研究员们在每个街区走来走去，手里拿着化学品采样的小罐子。
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