不过，病毒载体有很多缺点，如制备困难、免疫原性、细胞毒性，因此，阻碍了

不过，病毒载体有很多缺点，如制备困难、免疫原性、细胞毒性，因此，阻碍了它在生命科学领域中的应用

結果 (英文) 1:

However, viral vectors have many drawbacks, such as cytotoxicity preparation difficulties, immunogenicity, and, therefore, hampered its application in life science

結果 (英文) 2:

However, viral vectors have many drawbacks, such as difficulties in preparation, immunogenicity, cytotoxicity, thus, hindering its application in the field of life sciences

結果 (英文) 3:

However, viral vectors have many disadvantages, such as difficult to fabricate, immunogenicity, cell toxicity, therefore, hindered it
application in life science