This signifies that the film rated may contain some material parents might not like to expose to their young children-material that will clearly need to be examined or inquired about before children are allowed to attend the film .
这意味着此级别的电影可能含有某些家长不想让儿童看到的内容在让孩子观看前明显需要检查和了解的内容。
When expose to hydrogen sulfide in extremely high concentration shock-like poisoning may appear . The sufferer may suddenly fall in seconds and stop breathing .
在接触极高浓度硫化氢时，可发生“电击样”中毒，接触者在数秒内突然倒下，呼吸停止。
To expose to danger or harm .
暴露于危险和伤害之下。
Though we may think we understand that no two brains are alike it is likely that this book will expose to the reader the extent to which we fabricate our own understanding of how the brain works and the way that we carry on daily act
