| 单词 | polytunnel |
| 释义 | > as lemmaspolytunnel polytunnel n. British Horticulture an elongated frame, usually semicircular in cross-section, covered with polythene film or a similar material, under which seedlings or other vulnerable plants can be grown outside. ΚΠ 1970 Times 4 Apr. 25 (advt.) Improved bird protection. 14ft polytunnel. 2003 Org. Gardening Sept. 32/1 The polytunnel will still heat up well during the day, and most summer crops will continue producing up until the end of the month. < as lemmas |
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