口腔疾苦悲戚是指一些由于病毒，细菌，真菌和炎症引起来的分歧口腔危险。
The term 'mouth sore' refers a number of different lesions of the mouth caused by viruses, bacteria, fungi and irritation.
我们不鼓励人们养宠物，因为宠物携带很多病菌，细菌，和病毒，同时传播传染病，其中一些是致命的。
We don't encourager people to do pet-raising, for pets carry lots of bacteria, germs and viruses and at the same time transmit contagions diseases. Some of which are deadly.
我们不鼓励人们养宠物，因为宠物携带很多病菌，细菌，和病毒，同时传播传染病，其中一些是致命的。
We don't encourager people to do pet-raising, for pets carry lots of bacteria, germs and viruses and at the same time transmit contagions diseases. Some of which are deadly.
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