实践上, 种子不需要干藏而是采种后即层积.In practice, seeds should not be stored dry but stratified on removal from the fruit.我爬上三层积满灰尘的楼梯, 禁不住凄然泪下,又加衣衫单薄冷得直打哆嗦.I went up three dusty flights of stairs and I cried, shivering in my thin coat....
抑郁症会降低人体对疾病的抵抗力。Depression lowers the human ability to cope with disease.针对公众对该疾病的不断蔓延日益担忧，从而出台了这一举措。The move follows growing public concern over the spread of the disease.疏散中心的孩子正受到疾病的折磨。Children in evacuation centres a...