D Vicars - 《Exchange》 被引量: 0发表: 2008年 Foreseeing the invasion of introduced plant species into the Lesser Antilles. The case of Martinique Island Plant introduction is not a new phenomenon and is consubstantial with the history of humanity. The advent of travel and conquering new land...
What is this gesture a sign for?My son is 3 and has an expressive speech delay. We are using multiple communications methods. He is starting to catch on to ASL (we're all hearing, so our experience is limited to baby sign classes and Bill Vicars). He has a number of gestures that ...