他穿着防护服,看起来很专业。
He is wearing a ___protective suit, looking very professional.
他对新来的同事很保护,总是帮她避开办公室政治。
He is very ___protective of the new colleague, always helping her avoid office politics.
建筑工人必须佩戴防护手套以防止受伤。
Construction workers must wear ___protective gloves to prevent injuries.