They're probably preparing a fifth column to drop behind our lines.

他們可能預(yù)備將第五縱隊(duì)空投在我們的陣線后面

But the theory research of this technique still not opportune, its theory research is drop behind practice.

但是，這種技術(shù)的理論研究還不十分成熟717午夜理论电影网，表現(xiàn)為理論研究落后于實(shí)踐的狀況手机看片,你懂的。

Behind you drop a land, it is not the petals, it is my withered heart.

在你身后落了一地的，那不是花瓣亚洲青涩视频十区，那是我凋零的心色哟哟国产精品一区在线观看。

However, the development of our roof garden still drop behind the abroad a lot.

然而目前，我國(guó)城市的屋頂綠化發(fā)展相較國(guó)外還有著較大的差距日韩裸体自拍视频网站免费观看网址。

Don't drop behind in your work .

在工作上不要落后色色网激情网。

drop behind：落后

drop ball 下墜球 | drop behind 落后 | drop by drop 一滴一滴地

drop behind：落 伍, 落后, 落在...之后

drop back 退后, 后撤 恢復(fù)(舊習(xí)慣等)(into) | drop behind 落 伍, 落后, 落在...之后 | drop by [美]順便訪問(wèn)一下

drop behind：落后, 落伍

drop bar grizzly 落棒篩. | drop behind 落后, 落伍. | drop bolt 埋頭螺 栓.

drop behind：落伍,落后

drop back 推后,后撤,恢復(fù) | drop behind 落伍,落后 | drop down 臥倒,順著...向下移動(dòng)

drop: drop behind：落在后面

Hunger drove them to sell their children. 饑餓迫使他們賣兒... | drop: drop behind 落在后面 | Illness in the family and other worries caused him to drop behind in his studies. 家中有人生病和其他煩惱事使他...