A common situation is a young or newborn baby that is not pooping but passing gas and peeing in normal volumes. Unless your baby shows signs of constipation or illness, this is likely to be a normal newborn immature digestive system. The baby will fart more often than poop and will proba...
快速看到body signals部分的中文bend(弯曲),"弯曲"存在的这一句是if you want the pilot to know that it's safe to land, 而题目要求是"it's not safe to land",所以可以推出答案在下一句中找"if you want to say that it's not safe to land, put your arms in the air and move them to one...