越冬性（Winter hardiness）
越冬性（Winter hardiness）
相关考题：
to, I, how, last, winter, skate, learned__________________________________________________________________________.
单选题The phraseeven in winter(Lines 8~9)most nearly means _____.Aif the winter is especially warmBduring all of the year except the winterCin winter as well as in other seasonsDduring the evenings in winter
单选题What does MBDD mean on the load waterline mark?（）.ATimber tropical load waterlineBTimber summer load waterlineCTimber winter load waterlineDTimber winter north Atlantic load waterline