As previously seen
如前面所見到的那樣..., 前面已經見到...
?? 詞語組成解析
as
[?s]
adv. 同樣地，一樣地;例如;
prep. 作為，以…的身份;如同;
conj. 像，像…一樣;由于;同時，當…時;盡管;
n. 阿斯（古羅馬重量單位，約373克）;
previously
['privi?sli]
adv. 事先;以前;倉促;“previous”的派生;
seen
[si:n]
v. 看見( see的過去分詞 );觀看;領會;考慮;
??? 情景例句
Do we have to pre-book tours, or can we get them on site?
我們必須預定行程， 還是到那個地方再說？
I will have done it by the time you come back.
在你回來之前，我會做完它。[將來完成時，表示將完成…，會做完…]
It looks like a cat! Put it in your desk please, Lucy.
看起來象只貓。露茜，請把它放到桌子里。