他需要掩护
He needs cover.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
晚上他又走到他的阳台上来，他已经把烛灯仔细地在他后面放好，因为他知道影子总是需要它的主人作为掩护的，但是他没有办法把它引出来。
In the evening he went out again on the balcony. He had placed the light directly behind him, for he knew that the shadow would always have its master for a screen, but he could not entice it.
youdao
应用推荐
模块上移
模块下移
不移动