伤口清洁后，医生使用了抗菌剂以防止感染。

After cleaning the cut, the doctor applied ___antiseptic to prevent infection.

伤口需要用无菌纱布包扎以防止感染。

The wound needs to be covered with ___antiseptic gauze to prevent infection.

医院的走廊干净整洁，但给人一种冰冷疏离的感觉。

The hospital corridor was clean and tidy, but felt ___antiseptic and impersonal.