| 单词 | lazy jack |
| 释义 | lazy jacknoun1 : a device that compensates for expansion and contraction (as in a pipe line) consisting of two linked bell cranks pivoted at the vertices of their complementary angles 2 : an often forked line reaching from the masthead or the topping lift on each side of a fore-and-aft sail to about the middle of the boom to confine the sail when it is lowered —usually used in plural |
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