| 单词 | lagging |
| 释义 | lagging lagging1 —laggingly, adv. /lag"ing/, n. 1. the act of falling or staying behind. adj. 2. lingering; loitering; slow and dragging: lagging steps. [1590-1600; LAG1 + -ING1, -ING2] lagging2 /lag"ing/, n. 1. the act of covering a boiler, oil tank, etc., with heat-insulating material. 2. the covering formed. 3. the material used. 4. a number of boards or the like joined together side by side to line an excavation. 5. Masonry. a number of lags, taken as a whole. [1850-55; LAG3 + -ING1] |
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