MICROWAVE SAFE.DISHWASHER SAFE这些英文什么意思

MICROWAVE SAFE.DISHWASHER SAFE这些英文什么意思 microwave-safe 是一个单词吗?请问正确的写法是怎样?破折号前后是否有空格? safe safe safe john put his wallet into the microwave oven _______ .answer1 to keep it safe answer2 for keeping safeanswer3 for the safetyanswer4 to be safe keeping 然后说选哪个. 新概念3 课后练习JOhn put his wallet into microwave oven----A：to keep i safe B: for keeping safe C: for the safey D: to be safe keeping答案是A,可以理解,但是C哪里错了,是要用for its safety吗?听讲解说是结构错了,不太 John put his wallet into the microwave oven ___.a） to keep it safe; b）for keeping safe; c）for the safty; d） to be safe keeping.我选 c 新概念 3 上 第七课看起来只有细微的差别 .. microwave 我买果粒橙送的一个碗后面有写明microwave safe```请问这是注意微波炉安全的意思么?那就是说这个碗可以拿到微波炉里用咯?那为什么这个碗没有像其他微波炉碗一样有个透气孔呢? John put his wallet into the microwave oven____.A.to keep it safe B.for keeping 为什么B错,keep是及物动词,后面就一定要加宾语it吗 microwave sensor是什么意思 microwave 如何背? for microwave oven microwave oven是什么意思 microwave oven的复数 Microwave Hydrodiffusion and Gravity make sure it is microwave safe.这句话是不是有问题,该怎么解释.这是学校教材里的一句话.这种用法看起来不舒服,仅能把microsafe safe当成一个词了……有没有认识的老外帮忙问一下? service,electric,connection,month,danger,care,cook,safe,switch,boil,behavior,iron,untidy1.Can a microwave cook____eggs?2.Do you know how touse electrical appliance __________?3.We make rules to encourage people to _______in a way that is right.4.Reme