"should"的搜索结果
找到 9 张相关图片
smallpox vaccination site should be covered with a breathable bandage at all times
hands should wash their hands with soap and water
demonstration of how a smallpox vaccinee should remove a waterproof bandage after taking a shower
thin blood films such as this one should be air dried fixed with methyl alcohol and when dried immediately stained
tassels on this maize which was severely stunted by drought in southern province should
airborne particulates including dust and pollen should be removed from the inside of ones home
when renovating a home you should use a damp sponge or cloth to clean dust collected on a window sill
when cleaning windows personal protective equipment should be worn
