bespeaking的音标？

Every voice in nature was unanimous in bespeaking change.自然界的各种迹象都在表明要变天了.Research results showed that this new scheme is very valid for bespeaking and demodulating M - ary communication.理论研究结果表明:此方案对高速扩频通信系统的解扩解调是行之有效的....

v.预定( bespeak的现在分词 )，订（货），证明，预先请求...