relative speed的音标：relative speed的英式发音音标为：['relətiv spi:d]relative speed的美式发音音标为：['rɛlətɪv spid]...

speed的现在完成时为：sped...

speedy的比较级为：speedier...

speeded的音标：speeded的英式发音音标为：[s'pi:dɪd]speeded的美式发音音标为：[s'pidɪd]...

He pushed everyone full speed ahead until production hit a bottleneck.他催促所有人拼命干活，直到生产遭遇瓶颈。The camera combines rugged reliability with unequalled optical performance and speed.这款相机既坚固耐用，又有超凡的光学性能和快门速度。It all started so pr...

speed的一般过去时为：sped...

The different interlacement and alternation of all above four of rhythm speeds make daedal narration rhythm.以上四种节奏速度的不同穿插和交替运用,可以构成千变万化的叙述节奏.Travelling at speeds of up to thirty five knots, these hovercraft can easily ou...

超高速...

hyperspeed的音标：hyperspeed的英式发音音标为：[haɪpəs'pi:d]hyperspeed的美式发音音标为：[haɪpəs'pid]...