| 单词 | 所集 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔suction〕Dustbags act as a filter and suction will be reduced if they are too full.集尘袋起到过滤作用, 如果所集的灰尘太多, 其吸附作用就会减小。外研社新世纪〔suction〕Dustbags act as a filter and suction will be reduced if they are too full.集尘袋起着过滤的作用，所集的灰尘太多时其吸附作用就会减小。柯林斯高阶 |
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