9.机械系统和机械装置

Mechanical Systems and Devices

• deoxyribonucleic acid
• depart
• departing
• department
• departure
• depasturage
• depauperate
• depend
• depersonalise=depersonalize
• depersonalization
• depict
• depigment
• deplane
• deplenish
• deplete
• deplore
• deploring
• deploy
• depoliticize
• depone
• depopularize
• depopulate
• deport
• depose
• deposit