trestletree的翻译，读音
英/'tresltri:/
释义：
n. 樯顶纵桁
n. One of two strong bars of timber, fixed horizontally
on the opposite sides of the masthead, to support the crosstrees and
the frame of the top; -- generally used in the plural.
n. One of two strong bars of timber, fixed horizontally
on the opposite sides of the masthead, to support the crosstrees and
the frame of the top; -- generally used in the plural.