打喷嚏或咳嗽时应用纸巾遮掩口鼻，使用后须妥善弃置。

Cover nose and mouth with tissue paper when sneezing or coughing. Discard tissue paper properly after use.

youdao

打喷嚏或咳嗽时应用纸巾遮掩口鼻，使用后须妥善弃置。

Cover nose and mouth with tissue paper when sneezing or coughing. Discard tissue paper properly after use.

youdao