flatting
n. 使物体平滑的方法；使油漆无光泽的方法
v. 使变平（flat 的 ing 形式）
例句
Sitting on chair, both hands flatting on thigh naturally.
坐在椅子上，两手自然平放在大腿上。
In my third year I left home and went flatting with David.
三年级的时候我离开家，和大卫合租了一套公寓。
The results show that under the involved conditions, melting and flatting of HA particles are weakened with the increase of spraying distance.
结果表明，在本研究条件下，随喷涂距离的增大，HA 粒子的熔化程度和扁平化程度降低；
