knock at是什么意思？

Knock at my window at eight o'clock and I'll be ready.8点钟敲我的窗，我会准备好的。There was a light knock at the door.有人在轻轻地敲门。They heard a knock at the front door.他们听到前门有人敲门。...

knock at的音标：knock at的英式发音音标为：[nɔk æt]knock at的美式发音音标为：[nɑk æt]...

Cetomimiformes的音标：...

元帅迈过真空吸尘器，脚步沉重地走出了房间。The Marshal stepped over the vacuum-cleaner and stumped out of the room.陆军元帅黑格勋爵Field Marshal Lord Haig朱可夫是前苏联的一位元帅.Zhukov was a marshal of the former Soviet Union....

n.先验性，先验法，先天性...

An equilateral triangle cannot be dissected into finitely many incongruent equilateral triangles.等边三角形不能分成有限多个不全等的等边三角形.It passes through the N atom and through the center of the equilateral triangle.它通过N原子及三个H原子组成的等边三角形...

processed的音标：processed的英式发音音标为：[p'rəsest]processed的美式发音音标为：[p'rəsest]...

fiery的音标：fiery的英式发音音标为：['faɪəri]fiery的美式发音音标为：['faɪri]...

“肇始”的拼音为：zhào shǐ...

streamline的一般过去时为：streamlined...

热影响区的显微组织主要为回火马氏体;熔合线结合良好,组织均匀.The microstructure of the weld zone is tempered martensite zone.合线 、 织布 ( 不含棉纺 、 纺纱 ); 加工、销售: 服装.Hop Line, weaving ( excluding cotton, spinning ); Processing and marketing: clothing.在大尺度环流形...

hohlraum的音标：hohlraum的英式发音音标为：['həʊlrɔ:m]hohlraum的美式发音音标为：['hoʊlrɔm]...

irradome的音标：irradome的英式发音音标为：[ɪ'reɪdəʊm]irradome的美式发音音标为：[ɪ'reɪdoʊm]...

bug的现在进行时为：bugging...

v.使抽搐，使剧烈震动( convulse的过去式 )...

change的现在进行时为：changing...

ripen的音标：ripen的英式发音音标为：['raɪpən]ripen的美式发音音标为：['raɪpən]...