为了防止觅食队伍利用气味线索，他们采取了周密的预防措施。
Elaborate precautions were taken to prevent the foraging team using odour clues.
按照牙医的建议，你每天剔牙可以防止蛀牙和预防牙周炎。
If you’re following your dentist’s orders, you floss every day to prevent tooth decay and gum disease.
如果你知道已感染了艾滋病毒，则可采取预防措施防止传染他人。
If you know that you are infected, you can take precautions to prevent the spread of HIV to others.
应用推荐