| 单词 | doubletree |
| 释义 | doubletree in British English (ˈdʌbəlˌtriː) noun a horizontal pivoted bar on a vehicle to the ends of which swingletrees are attached for harnessing two horses side by side doubletree in American English (ˈdʌbəlˌtri) US noun a crossbar on a wagon, carriage, plow, etc., to each end of which the singletrees are attached when two horses areharnessed abreast Word origin double + singletree |
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