Phylactic
a. 防御疾病的,防護(hù)的
??? 情景例句
That's Mr. Steven Lu, from Taipei?
您是Steven Lu，從臺(tái)北來(lái)的？
He has been to America.
他去過(guò)美國(guó)。[曾經(jīng)有過(guò)的經(jīng)驗(yàn)]
Sure, just drop in my office some time and pick them up.
沒(méi)問(wèn)題，什么時(shí)候到我辦公室來(lái)拿都可以。