To and fro
出国 Abroad来回
📝 例句
The girl's pigtails swing to and fro as she runs.
小女孩一跑, 辫子就来回甩动。
I have a trick of walking to and fro in my room.
我有个在房中走动的习惯。
Those boats are prepared for waftage to and fro.
那些船舶是准备用来来回运送货物的。
The flower seemed to quiver, and then swayed gently to and fro.
花儿似乎在颤动，接着轻轻地来回摇摆。
Scythes swished to and fro.
长柄大镰刀嗖嗖地来回挥动.
🧩 词语组成解析
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
fro
[frəu]
adv. 向那边，向后;
prep. 〈英方〉同;
n. 〈美俚〉非洲发型= Afro;
na. 见;
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
Just listen to me, and you'll be fine.
听我的准没错。
The life forms most likely to develop on a planet would be bacteria.
行星上最容易生存下来的是细菌。