sucking

The earth convulsed uncontrollably, a rift opened suddenly and, with a horrid sucking sound, swallowed the entire pool.

大地失控地剧烈震动，一条裂缝突然出现，随着一声可怕的吞吸声，吞噬了整个池塘。

As stimuli were presented, changes in the infant´s sucking behavior were recorded.

当刺激出现时，婴儿吮吸行为的变化被记录下来。

Instead of flushing, they work like a vacuum cleaner sucking away the astronaut´s waste.

不是冲洗，而是像真空吸尘器一样吸走宇航员的排泄物。

Increases in nonnutritive sucking were first used as an assessment measure by researchers in 1969.

1969年，研究者们首次将无营养吮吸次数的增加作为评估标准。

Without this muscular action, inhaling is like sucking air out of a balloon—the narrow passages tend to collapse.

如果没有这种肌肉运动，吸气就像从气球里吸出空气一样——狭窄的通道往往会坍塌。