你每次只要拿一颗就可以清洁牙齿,咀嚼后用少量水漱口,或者直接吞下都可以,因为它是无害的
问题描述：
你每次只要拿一颗就可以清洁牙齿,咀嚼后用少量水漱口,或者直接吞下都可以,因为它是无害的
答
来个地道的Only one piece is enough for cleaning your teeth! After chewing, you can rinse your mouth with a little water, or you can even swallow it directly, for it is harmless.建议补上主语