缩拢的

Then say it again LIP pucker up your lips and pretend to give a big kiss.

再说一遍LIP缩拢你的嘴唇，假装给他们一个大的亲吻。

To predict sandfish swimming speed, we developed an empirical model by measuring granular drag force on a small cylinder oriented at different angles relative to the displacement direction and summing these forces over the animal movement profile.

据美国《Science》杂志线上新闻报导，高速 X 射线成像结果显示，这种蜥蜴会缩拢它们的四肢，并通过Z字型地左右摇摆身体来推动自己在沙子上前进，其像鱼或蛇一样摆动身体前行的速度能够达到每秒钟15厘米。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。