| 单词 | trestletree |
| 释义 | trestletree in British English (ˈtrɛsəlˌtriː) noun nautical either of a pair of fore-and-aft timbers fixed horizontally on opposite sides of a lower masthead to support an upper mast trestletree in American English (ˈtrɛsəlˌtri) noun either of two horizontal fore-and-aft beams, one on each side of a mast, that support the crosstrees, top, and fid of the mast above |
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