523名学生在吃饭后十分钟内刷牙。如果情况允许的话，他们会使用牙刷；否则，他们会用水彻底清洗口腔。
523 students cleaned their teeth within ten minutes of eating when possible they used a toothbrush, when this was impossible they washed their mouth thoroughly with water.
523名学生在吃饭后十分钟内刷牙。如果情况允许的话，他们会使用牙刷；否则，他们会用水彻底清洗口腔。
523 students cleaned their teeth within ten minutes of eating. When possible, they used a toothbrush; when this was impossible, they washed their mouth thoroughly with water.
若吸入气体或咽下电解液，应立即用水清洗口腔和喉咙。
If you breathe the gas or ingest the electrolyte, please wash out your mouth and throat with water immediately.
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