这句英文写的好么?Thanks to face mask,the harmful gases are to be fil

be harmful for与be harmful to的区别? free film tickets will be sent to are in terested in the fil be harmful to的近义词是什么 以be harmful to 造句 be harmful to 与do harm to的区别 be harmful to 和be bad for Face behind the mask all the emotions are blocked 这句英文写的对么?写的好么? 连词成句：face,they,sitting,are,face,to do harm to / be harmful to / be detrimental to do harm to等于be harmful for be harmful to based on choose from