spar

过去分词：

动词过去分词: sparred

更多词形：

动词过去式: sparred | 动词过去分词: sparred | 动词现在分词: sparring | 动词第三人称单数: spars |

单词例句：

A metal ring that moves freely back and forth on a rope,rod,or spar.

滑环在一根绳、杆子或圆材上可以自由来回移动的金属环

With the development of science and technology,the processing technique of Iceland Spar developed greatly.

随着科学技术的进步，冰洲石晶体的加工技术有了较大的发展。

A tall vertical spar, sometimes sectioned, that rises from the keel or deck of a sailing vessel to support the sails and running rigging.

船桅，桅杆一条高的(有时为分段的)垂直樯，从帆船的龙骨或甲板直立起来以支持帆和操纵装置

Mast: A vertical spar or pole to which a sail or sails attach.

桅杆：一种垂直圆材或杆，用来悬挂船帆。

A spar, extending forward from the stem of a ship, to which the stays of the foremast are fastened.

船首斜桅从船头柱上伸出来的帆桅，其上用于系前桅的支索

This promising young fighter needs a tough opponent to spar with,to prepare him for the big fight.

有希望的年轻拳击手需要有一个强硬功夫的对手和他练习，以培养他参加大赛。

A metal ring that moves freely back and forth on a rope, rod, or spar.

滑环在一根绳、杆子或圆材上可以自由来回移动的金属环

An industrial television camera system is used to monitor and record the cutting process of iceland spar.

利用工业电视摄像系统对冰洲石的切削过程进行观察和记录。

This promising young fighter needs a tough opponent to spar with, to prepare him for the big fight.

有希望的年轻拳击手需要有一个强硬功夫的对手和他练习，以培养他参加大赛。