Their rendezvous would be the Penta Hotel at Heathrow Airport.他们将在希思罗机场的五角饭店碰面。DTPA ( diethylene triamine penta - aceticacid )二乙烯三胺五醋酸 ( 有机螯合剂 )The detection concept for large diameter beam parallelism with penta prism i...

五角大楼，美国国防部...

Penta的音标：...