如果你知道有人生病了，那么就要避免亲密的接触，若一旦接触了，就要经常用肥皂水洗手并且保持和他人的距离，因为感冒具有传染性。
If you know of someone who is ill, avoid close contact.Once exposed, frequently wash your hands with soapy water and keep your distance from others, as colds are contagious.
如果你知道有人生病了，那么就要避免亲密的接触，若一旦接触了，就要经常用肥皂水洗手并且保持和他人的距离，因为感冒具有传染性。
If you know of someone who is ill, avoid close contact. Once exposed, frequently wash your hands with soapy water and keep your distance from others, as colds are contagious.
在拒水剂的石蜡组分中加入适量低分子聚乙烯蜡，可提高整理织物的耐高温水洗性。
The addition of some low molecular polyethylene wax to paraffin can increase the high temperature washing resistance of finished fabrics.
应用推荐