Seahorses are master mimics that use their cryptic colors and upright posture to blend in with plants.
海马是模仿大师，能利用自己的模拟色和直立姿态融入四周的植物中去。
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The method is simple and easy, can accurately master the posture information of the robot, is seldom affected by environment and is not easy to have null drift, and the invention has low cost.
Look them in the eyes, and keep a friendly, tall, and open posture - but DON'T SMILE. When you master that, start smiling after a minute or two in your conversation.