protective shield保护层The ozone layer of the atmosphere that shields life from cancer-causing solar... on Sept 10. It was largely down to a 1987 global ban on man-made gases that damage the protective shield ……

interview last week: “One of the things was just to be protective, that I would do anything to protect my child or my child’s mother.”Protective意为“呵护备至的”，如：David Beckham is known as a protective father ……

in their closet into stylish protective gear. Many used different materials with colorful patterns to make... safe, transforming (转换) items in their closet into stylish protective gear. Many used different ……

, a young student painted the pattern of the Monkey King on protective suits and sent them to community... student painted the pattern of the Monkey King on protective suits and sent them to community workers ……

David Beckham, 36, UK The over-protective father is preparing a “security team” for his 7-month-old..., Brooklyn does boxing and Romeo does *karate, so they’ll all be ready.”Over-protective意为“过度保护的”，常用于(但不 ……

under conditions that deprive them of a protective environment, and expose them to stress and *trauma ……

the window’s latch (插销) is opened. The window moves up and a protective guard falls down. This prevents children from falling out of the window if they try to open it. The protective guard ……

protective of anyone close to me. If people say anything about my family or friends, that’s the one... go on their *honeymoon.Protective表示“给予保护的，呵护的”，比如：Joe is overprotective about his own reputation ……

揭秘口罩千年发展史。揭秘口罩千年发展史。Humans have been wearing protective masks for a long time. This simple tool can protect us from many harmful (有害的) things, such as viruses and dust (灰尘). When was the protective ……

探究口罩千年演变史。探究口罩千年演变史。Masks, a simple protective tool, have been used by people for a long time...) and chemicals (化学物品). When was the protective mask first invented and how did it develop? Let&rsquo ……

揭秘口罩的千年进化史。揭秘口罩的千年进化史。Masks, a simple protective tool, have been used by people for a long time...) and chemicals (化学物品). When was the protective mask first invented and how did it develop? Let&rsquo ……

探究口罩千年演变史。探究口罩千年演变史。Masks, a simple protective tool, have been used by people for a long time...) and chemicals (化学物品). When was the protective mask first invented and how did it develop? Let&rsquo ……

揭秘口罩千年发展史。揭秘口罩千年发展史。Humans have been wearing protective masks for a long time. This simple tool can protect us from many harmful (有害的) things, such as viruses and dust (灰尘). When was the protective ……

揭秘口罩的千年进化史。揭秘口罩的千年进化史。Masks, a simple protective tool, have been used by people for a long time...) and chemicals (化学物品). When was the protective mask first invented and how did it develop? Let&rsquo ……

while they’re in class. Schools have also set up protective (防护的) screens around each desk... while they’re in class. Schools have also set up protective (防护的) screens around each desk ……