Back-and-forthing
來來回回
?? 詞語組成解析
back
[b?k]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背書于;下賭注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
and
[?nd, ?n,?nd]
conj. 和，與;而且;于是，然后;因此;
??? 情景例句
and having lunch with you today.
與你一起吃中餐。
I suggest that you tear up the letter and start over again.
我建議你撕破信再來一遍。
I even went out at midnight with a torch and noted with satisfaction (and surprise) that the ants were still swarming around the sticky tape without being able to do anything about it.
半夜，我還拿著電筒來到花園里，滿意地（同時驚奇地）發(fā)現(xiàn)那些螞蟻還圍著膠帶團團轉(zhuǎn)。無能為力。