2. virus n.病毒; 病毒性疾病; 毒素
例句:After all, computer viruses are forms of artificial life.
毕竟,计算机病毒是人造形式的生命。
3. protein n.[化] (质) 朊,蛋白
例句:The synaptonemal complex is protein in nature.
联合复合体在性质上是蛋白质。
4. infect vt.使受影响,感染; 传染
例句: Go away, I don't want to infect you with my cold.
走开,我可不想把我的感冒传染给你。
5. investigate vt.调查; 研究; 审查
例句:The detective was sent to investigate the crime.
那位侦探被派去调查该罪行。