这是一本不可多得的珍本.It's a rare book.我们学校图书馆以藏有好多珍本书而自豪.Our school library boasts quite a few rare books.我在附近那家书店偶然发现了这一珍本.I tumbled upon the rare volume in the nearby bookstore....
That makes up multicellular organisms.这构成多细胞生物.Apoptosis plays an important role in survival of multicellular organism.摘要细胞凋亡在保证多细胞生物的健康生存过程中扮演著关键的角色.A single - celled or multicellular organism whose cells contain a dist...
有时他会倒嚼我们喂给他吃的食物，因为他无法吞咽。Sometimes he regurgitates the food we give him because he cannot swallow.手术后你咀嚼和吞咽都会感到困难。After the operation you may find it difficult to chew and swallow.什么食物都要先嚼碎再吞咽。Always chew food well before...