蜜蜂正在以惊人的速度消失——对于全球食品连锁商来说，这绝对是个坏消息。
Honeybees are disappearing at an alarming rate - and that's bad news for the global food chain.
相对于广州以快见称的城市规划建设速度，珠江新城绝对是个例外，雷声大雨点小。
Compared to Guangzhou to see that the fast pace of urban planning and construction, Pearl River Metro is definitely an exception, talk small.
声相关测速技术可以测得舰船相对于海底的绝对速度。
Acoustic correlation velocity measurement technology is used to make measurements of velocity relative to the seabed.
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