?? 詞語組成解析
caller
['k?:l?]
n. 呼叫者;召集者;訪問者;打電話者;
adj. 新鮮的;
up
[?p]
adv. 在上面，在高處;起床，起來;向上;由低到高;
adj. 向上的;上升的;豎立的，垂直的;舉起的;
vt.& vi. 增加;加速;提高;舉起，拿起;
prep. 在…的上端;向高處;沿…而去;向…上游;
n. 上升，升高;興旺，繁榮;上坡;（價格等）上漲;
??? 情景例句
whom I think you've met once or twice before.
我想你以前見過他一兩次面。
It seems he's handsome.
看起來他好像很英俊。
I don't care where we go as long as we don't have to stand in line.
不管去哪里，只要不用站著排隊就行。