... 直升机指导中心 helicopter direction center {= HDC} 直升机指导官helicopter director 直升机装载量 helicopter load ...
权威例句
1.
"Anybody that's still doing the egg drop from the helicopter is behind the times, " says Jeff Chase, assistant director for parks and recreation in Acworth, Ga.
WSJ: Before He Can Hop,This Easter Bunny Has to Fly
2.
Dr. MOBY SOLANGI (Director, Marine Life Oceanarium): I was in a helicopter on Saturday morning.