|  | length | Production | 长度, 长, 时间的长短 | 
          
                  |  | lengthen | Production | 长度, 长, 时间的长短 | 
          
                  |  | lengthened | Production | 长度, 长, 时间的长短 | 
          
                  |  | lengthening | Production | 长度, 长, 时间的长短 | 
          
                  |  | lengthens | Production | 长度, 长, 时间的长短 | 
          
                  |  | lengths | Production | 长度, 长, 时间的长短 | 
          
                  |  | lengthways | Production | 长度, 长, 时间的长短 | 
          
                  |  | lengthy | Production | 长度, 长, 时间的长短 | 
          
                  |  | lent | Reception | 把…借给, 贷(款), 贡献 | 
          
                  |  | lesion |  | 病变 | 
          
                  |  | less | Production | 减去, 少掉, 不足, 为little的比较级, 较少地, 较小地, 少的 | 
          
                  |  | lessen | Production | 减去, 少掉, 不足, 为little的比较级, 较少地, 较小地, 少的 | 
          
                  |  | lessened | Production | 减去, 少掉, 不足, 为little的比较级, 较少地, 较小地, 少的 | 
          
                  |  | lessening | Production | 减去, 少掉, 不足, 为little的比较级, 较少地, 较小地, 少的 | 
          
                  |  | lesser | Production | 减去, 少掉, 不足, 为little的比较级, 较少地, 较小地, 少的 | 
          
                  |  | lesson | Production | 教训, 训诫, 功课, 课程 | 
          
                  |  | lessons | Production | 教训, 训诫, 功课, 课程 | 
          
                  |  | let | Reception | 允许, 任由, 让, 随 | 
          
                  |  | let me | Reception | 允许, 任由, 让, 随 | 
          
                  |  | let sb down or let down sb | Reception | 允许, 任由, 让, 随 | 
          
                  |  | let sb out | Reception | 允许, 任由, 让, 随 | 
          
                  |  | let sb/sth in | Reception | 允许, 任由, 让, 随 | 
          
                  |  | let somebody know something | Reception | 知道, 了解, 认识 | 
          
                  |  | lethal double mutants |  |  |