expend effort的相关资料：
临近单词
expend
Expendable Recoverable Sound Projector
expendable through-tubing perforator
Expends the Question Excessively Ponder
expended granular sludge blanket reactor
Expendable Submarine Tactical Transceiver
Expendable Reliable Acoustic Path Sonobuoy
Expendable Cluster Aircraft Rocket Launcher
Expendable Remote Operating Weather Station
Expendable Computerized Automatic Test System
