| 单词 | visual contact |
| 释义 | visual contact Southern right whales hide in cloudy water, but the loss of visual contact with their young forces them to call out and risk being spotted. The Sun Those who buy drones for personal use do not need a licence but must fly their toys in safe areas and keep in visual contact. Times, Sunday Times Its pilots kept 'constant visual contact' to ensure the gadgets did not hit. The Sun All the same, many birders don't regard a bird as properly recorded unless they have had good strong diagnostic visual contact. Times, Sunday Times Rather than standing apart, the viewer was placed for the first time in direct physical and visual contact with the piece. Times, Sunday Times |
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