| 单词 | suction |
| 释义 | suction —suctional, adj. /suk"sheuhn/, n. 1. the act, process, or condition of sucking. 2. the force that, by a pressure differential, attracts a substance or object to the region of lower pressure. 3. the act or process of producing such a force. v.t. 4. to draw out or remove by aspiration. [1605-15; < LL suction- (s. of suctio) a sucking, equiv. to L suct(us) (ptp. of sugere to SUCK) + -ion- -ION] |
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