If the period of any one of the objects corresponds with the period of the sounding body, the gentle but frequent impulses affect the object, which responds by emitting a sound. 伯莎M.克拉克.科学通论.
Back and forth upon the floor they rolled, neither one emitting a sound of fear or pain. 埃德加·赖斯·巴勒斯.火星公主.
Rain was still falling heavily, the whole expanse of heath before him emitting a subdued hiss under the downpour. 托马斯·哈代.还乡.
It still has, however, a circular rocky basin, forty feet in diameter, in which a violent geyser is constantly boiling up to the height of ten to twelve feet, emitting dense clouds of steam. 佚名.神奇的知识之书.