Look down with your eyes, your best head position should be similar to your natural posture when you are out of water looking straight ahead.
眼睛向下看，最佳的头部位置应当和你在水上自然平视的姿势差不多。
Look down with your eyes, your best head position should be similar to your natural posture when you are out of water looking straight ahead.
眼睛向下看，最佳的头部位置应当和你在水上自然平视的姿势差不多。
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