suctions
n．吸力，吸引力：通过压力差产生的吸引力，使物体紧贴在一起或使液体、气体流动。
v．吸，抽吸：通过吸力将物体、液体或气体从一个地方移动到另一个地方。
例句
Its machinery suctions the trash to help protect the wild life in our oceans and jungles.
它的机械抽吸垃圾桶，以帮助保护野生动物在我们的海洋和丛林。
Then, the water-retention curve is employed to consider the coupling of suctions and stresses under constant water condition.
并利用土的持水曲线建立常含水量下吸力与土体应力之间的耦合作用关系。
Furthermore, it is verified that the peak suctions are highly correlated with the conical vortices by coherence functions of fluctuating pressures.
用频域相干分析法间接地证实了锥形涡的存在，并指出它是造成此类结构角区附近负压显著偏大的主要原因。
