1. Designed with somatological principles, matched to the contours of head and neck, better supported and relaxed the muscles on neck and shoulder to improve the comfortable sensation of neck. 采用人体学原理设计，吻合头部和颈部轮廓，更好的支撑和放松颈部、肩部肌肉、提升颈部舒适感。
2. Sufficient neck circumference: In the finest place of sufficient neck. Lesser leg surrounds sufficient neck circumference small 10 centimeters. 足颈围：在足颈的最细部位。足颈围较小腿围小10厘米。
3. beauty pillow: fit the streamline profile of neck of body, properly support your neck, reduce pressure on neck, and bring you easy sleep. 美人枕：依据人体后颈部的流线型设计，完美的承托您的颈部，减少颈部压力，两侧边缘的完美弧度，有效减少您侧睡时脸所承受的压力，让您睡眠更加轻松。
4. Tooth coronal and tooth root boundary show one arc curve, call tooth neck, renown neck predestined relationship or neck line. 牙冠与牙根交界处呈一弧形曲线，称为牙颈，又名颈缘或颈线。
5. Gymnosperms, the majority still retain the structure neck eggs, eggs in egg-neck in the formation. 裸子植物中的大多数仍保留颈卵器的结构，卵在颈卵器内形成。
网络释义
BACK NECK WIDTH FROM SIDE NECK TO SIDE NECK 后领宽侧领到侧领;
neck and neck 马脖子靠着马脖子（齐头并进，不分轩轾）;
不分上下;
并驾齐驱;
并排;
