Chlorotic or necrotic lesions were evidence of decreased photosynthetic tissues.缺绿的或坏死的侵蚀斑便是减少了光合组织的证据.Diseased plants are often chlorotic.生病的植物往往是退绿的.Chlorosis The loss of chlorophyll from plants resulting in yellow ( c...
H spent three hours learning Lincoln's Address at Gettysburg by heart.他花了三小时把林肯的《葛底斯堡讲话》背了下来。He lives about 60 miles upstream from Oahe, near Gettysburg, South Dakota.他住在奥阿希湖上游约60英里处,靠近南达科他州的葛底斯堡。Your friend already...