单词	envionment protection
释义	envionment protection 环保
随便看	mechanical kinematics mechanical kinematic scheme mechanical kinematic scheme design mechanical kinesiology mechanical kinetic energy mechanical kinetics mechanical knee mechanical knee joint mechanical knockout by vibration mechanical knowledge Mechanical Knowledge Mechanical Item Mechanical Knowledge Test mechanical koji preparation mechanical labor mechanical labour Mechanical lagophthalmos mechanical language mechanical language structure mechanical lapping Mechanical lapping single crystal diamond mechanical larynx mechanical-latched type mechanical latching mechanical latching crossbar switch mechanical latching miniature crossbar switch