spar的一般过去时怎么写？

The mast, which was a solid spruce spar, bent like a bow, and for a moment I thought we were going to lose it.坚固的云杉木做成的桅杆已经弯得像一把弓，那一刻我觉得它马上就要断了。The rope, rod, or spar on which such a ring moves.环可供这种环移动的绳子 、 竿子或圆材.CIS: J...

spar的音标：spar的英式发音音标为：[spɑ:(r)]spar的美式发音音标为：[spɑr]...

spar的现在进行时为：sparring...

spar的第三人称单数（三单）为：spars...

n.圆材，晶石，[航]翼梁，拳斗，斗鸡vi.（拳击练习中）不用力打，试击，争论，争吵，（鸡）用脚踢斗...

spar的现在完成时为：sparred...

The rope, rod, or spar on which such a ring moves.环可供这种环移动的绳子 、 竿子或圆材.With protective gear on you can spar with a partner...戴上护具后可以和对手练习轻拳出击。CIS: Just killing time . You wanna spar?娱乐而已. 想来比划比划?The mast, which was a soli...

spar的复数形式为：spars...

boysenberry的复数形式为：boysenberries...

n.蜂鸣器，嗡嗡作声的东西，门铃，汽笛，〈俚〉信号兵...

n.麦角日亭宁...

He's a man with fingers in a lot of pies.他这个人总是到处管闲事。Salad fork: salads, fish, pies, pastries, and cold meats.沙拉餐叉: 吃沙拉 、 鱼肉 、 馅饼 、 点心以及冷盘时用.We select only the choicest apples for our pies.我们精选最好的苹果制作馅饼。So I decided...

exert的音标：exert的英式发音音标为：[ɪg'zɜ:t]exert的美式发音音标为：[ɪg'zɜrt]...

lorn的音标：lorn的英式发音音标为：[lɔ:n]lorn的美式发音音标为：[lɔn]...

revelries的音标：...

用电动弯管机或手动弯管器弯管.The pipe should be bent with electric bending machine or manual pipe bender....

n.冬青（常绿灌木，叶尖而硬，有光泽，冬季结红色浆果），（用作圣诞节饰物的）冬青树枝，[名]霍莉，女子名...

straw的复数形式为：straws...

gripe的一般过去时为：griped...

镍铜锌系合金...

His voice was caressingly sweet.他的嗓音亲切而又甜美....

disciplining的音标：...

这些矿物质形成了菌斑的结晶变硬的结构.These minerals form crystals and harden the plaque structure.变硬的熔岩块象雨点般降落在山下村庄.Boulders of hardening lava can rain down on villages.同样不幸的是, 挖出变硬的盐是唯一的解决方法.Unfortunately again, digging the hard salt out...