Toing and froing
来来回回,往复
🧩 词语组成解析
来回运动；往返旅行；来来往往
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
(fro 的现在分词) adv. 向那边, 向后
🗣️ 情景例句
I grew up in Beijing, but I was in Los Angeles for two years.
我在北京长大，不过在洛杉矶已呆了两年。
Thank you. It was very kind of you.
谢谢，您太好了。
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。