单词	embryo sac cell
释义	embryo sac cell 胚囊细胞
随便看	mechanical skid plateform mechanical skill mechanical skimmer mechanical slewing derrick mechanical slicer mechanical slide unit mechanical slip mechanical slot mechanical slub catcher mechanical sludge dewatering mechanical smoke control Mechanical smoke evacuation mechanical smoke exhaust mechanical smoke exhauster mechanical smoke exhaust rate mechanical smoke extraction mechanical smoke extraction system mechanical smoke filter Mechanical Smoke Generator mechanical smoking mechanical snow plough mechanical snow plow mechanical snubber mechanical society mechanical sociologist