老师说话听起来好像感冒了，或者咳嗽。
The teacher sounded as if he had a cold or a cough when he spoke.
老师说话听起来好像感冒了，或者咳嗽。
The teacher sounds as if he had a cold or a cough when he spokes.
老师说话听起来好像感冒了，或者咳嗽了。
The teacher sounded as if he had a cold or cough when he spoke.
我们可曾想咳嗽或者舔一只信封？
下次你咳嗽或者是打喷嚏的时候，你完全有理由要捂住你的口。
The next time you cough or sneeze, there is good reason to cover your mouth.
下次你咳嗽或者是打喷嚏的时候，你完全有理由要捂住你的口。
The next time you cough or sneeze, there is good reason to cover your mouth.
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