To-ing
n. 来来回回（与froing连用）
🧩 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;
abbr. 惯性导航与制导（Inertial Navigation and Guidance）；强中子发生器（Intense Neutron Generator）
🗣️ 情景例句
While it may be cold outside, it's always warm here in the office.
外面可能很冷的时候，办公室里面总是很暖和。
We used to have a lot of interesting friends.
我们过去常有很多有趣的朋友。
Obviously, it has not been planned for the good of its inhabitants.
显然，现代化的城市不是为居民的利益而规划的。