常見(jiàn)例句Any of various parasitic and nonparasitic worms of the phylum Platyhelminthes, such as a tapeworm or a planarian, characteristically having a soft, flat, bilaterally symmetrical body and no body cavity. 扁蟲(chóng)扁形動(dòng)物門(mén)的寄生或非寄生蟲(chóng)中的任一種，以具有柔軟、扁平且兩面對(duì)稱的身體和無(wú)體腔為特征，如絳蟲(chóng)或渦蟲(chóng)Any of various parasitic and nonparasitic worms of the phylum Platyhelminthes,such as a tapeworm or a planarian,characteristically having a soft,flat,bilaterally symmetrical body and no body cavity. 扁蟲(chóng)扁形動(dòng)物門(mén)的寄生或非寄生蟲(chóng)中的任一種，以具有柔軟、扁平且兩面對(duì)稱的身體和無(wú)體腔為特征，如絳蟲(chóng)或渦蟲(chóng)。An Improved Method for Chromosome Preparation of Freshwater Planarian 淡水渦蟲(chóng)染色體的制備方法A brief introduction of research on chromosomes of freshwater planarian 淡水渦蟲(chóng)的染色體研究概述Keywords Dugesia japonica（planarian）;heavy metal ion;acute toxicity; 東亞三角頭渦蟲(chóng);重金屬離子;急性毒性作用;freshwater planarian 淡水渦蟲(chóng) 返回 planarian