screen (someone or something) outorscreen out (someone or something):to remove (someone or something that is not suitable for a particular purpose) from a group that is being examined排除;剔除
Not all students will be allowed to participate. Students receiving a D or lower will be screened out.不是所有的学生都获准参加。得到D或更低成绩的学生将被排除在外。
2
screen (something) outorscreen out (something):to prevent (something harmful) from passing through挡住(有害物)
The lotion is supposed to screen out [=block] the sun's harmful rays.这种护肤露据说可以阻挡阳光中的有害射线。