单词	shall 的过去式
释义	shall 的过去式v. aux.shouldshall 的过去式
随便看	binary storage tree binary string binary subtract binary subtraction binary switching energy limits binary syllabification binary symbol binary symmetric binary symmetric channel binary-symmetric channel binary symmetric channel {=bsc} binary symmetric channel--bsc binary symmetric channel{=bsc} binary symmetric channel，bsc binary symmetric dependent channel binary symmetric dependent channel--bsdc binary symmetric dependent channel，bsdc binary symmetric function binary symmetric source binary symmetry binary synchronous binary synchronous adapter binary synchronous adapter--bsa binary synchronous adapter，bsa binary synchronous communication