knap的现在完成时怎么写？

vt.敲击，打碎，猛咬n.小山的山顶，丘顶...

knap的第三人称单数（三单）为：knaps...

knap的现在进行时为：knapping...

knap的一般过去时为：knapped...

knap的音标：knap的英式发音音标为：[næp]knap的美式发音音标为：[næp]...

n.老年医学专家，老年病学专家，老人学专家...

Instead of electricity, there were kerosene lanterns.没有电, 有煤油灯。Several brakemen came through, bearing lanterns.几个列车机务员提着灯走过.Thousands of lanterns slowly drift out to sea guiding the dead on their return journery to the o...

秘术家...

He grins, delighted at the memory.想到往事，他开心地咧嘴笑了起来。The grins of his friends discomposed Jack when he tried to make his speech.杰克想要进行演讲时，他的朋友们咧着嘴笑，这使得他心里很慌乱。How can you teach a child who just grins stupidly at you all day?...

n.光笔（计算机的一种输入设备）...

galaxy的近义词/同义词有：company, illustrious, group, notables, eminent, assemblage, universe, star, deep, space, constellation, cluster, island, heavens, Way, starry, cope, Milky。n.galaxy的近义词（人才荟萃,一群显赫人物）：company, illustrious, g...

n.二氯四甘醇...

“各位”的近义词/同义词：列位, 诸位, 诸君。...

“皮壳石”的英语可以翻译为：dermatine ...

“公民”的英语可以翻译为：citizen，civil，burgher，civics，freeman ...

glimpsed的音标：...

dispel的现在进行时为：dispelling...

Used for testing horizontal combustibility of various textile and show with flame spread rate.用于测定各类纺织织物水平方向燃烧性能,并以火焰蔓延速率来表示.COMBUSTIBILITY: Does not burn. Retards the flame when coated on combustible materials such as S...

热浴法只是本方法的一种特殊情况.It is pointed out that heat bath method is only a special case of this method....

mm的音标：...