是land in safety还是safely

是land in safety还是safely 是on the land还是in the land on the land还是in the land?. land on land in区别!land on和land in的区别!分别用于什么?另外beat作拍子解释的时候 是可数还是不可数? 居住在陆地用英语怎么说?是live in land还是live on land safety的词性safety是形容词还是名词啊? ----问个英语连词成句people,in,to,the,apartment,run,safety 是people in the apartment run to safety 或people in safety run to the apartment 还是别的呢? land in the airport还是 on land是可数名词还是不可数 在沙滩上用in the land还是on the land? keep safety in 他登录某个国家（入境）英文怎么说?land in ...还是landing in...还是别的? china in land IN LAND 是什么费用 land后跟的介词是什么是根据情况而定吗?我查字典看到有land in London；land in the sea Safety 英语翻译用coverd with 还是covered by?为什么用by?百度上很多人都说用是in winter,the land is often covered with snow. which is your land operation in Europe? 中的 land operation 是什么意思? 是在旅游合同的情境中