it has been testing
它一直在测试
以上为机器翻译结果,长、整句建议使用 人工翻译 。
It has been testing a saltwater mist that Schaller says is "the best thing ever" for clearing out her lungs.
FORBES: Magazine Article
For them, it has been testing a new bit of technology - called the broadband regenerator - which it hopes can squeeze a fairly decent speed - up to 5Mbps - out of lines that have struggled before.
BBC: When will UK rural areas get fast-speed fibre internet?
Google may have earned plenty of buzz with its announcement last weekend that it has been secretly testing self-driving cars on California roads.
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