1·Certain types of bacteria are extremely harmful, and it takes only a small number to make you sick.
有些种类的细菌非常有害，只需要一点点就能让你生病。
2·Also, certain types of bacteria are extremely harmful, and it takes only a small number to make you sick.
此外，有些类型的细菌是非常有害的，只需要少量细菌就能让你生病。
3·It takes only a week to get there and back.
来回只消一个星期。
—— 《新英汉大辞典》
4·Now it takes only four years.
而现在仅需4年。
5·The process takes only a few seconds.
部署过程只需要几秒钟。
6·Now, it takes only a couple of hours.
现在，只要两个小时。
7·The treatment takes only about 45 minutes.
整个过程只需45分钟。
8·The treatment takes only about 45 minutes。
整个过程只需45分钟。
9·With the new wizard it takes only four interactions.
而使用这个新的向导，只需要进行 4 步交互操作。
10·Send takes only a single parameter, the content to send.
send只有一个参数，就是要发送的内容。