词汇	Vigilance distance
释义	Vigilance distance 警戒距离
随便看	synthetic standard method synthetic standard sample synthetic standard samples synthetic staple synthetic starch synthetic statements synthetic statistics synthetic status synthetic steam cylinder oil synthetic steel synthetic stent synthetic stereo image synthetic stereo images synthetic steroid hormone synthetic stock synthetic stone synthetic stop synthetic stove re-formation synthetic strategy Synthetic stratum historgram synthetic strength synthetic study synthetic subsidence observation station synthetic substance synthetic substances