Ujb
abbr. umbilical junction box 连接电缆接线盒
🗣️ 情景例句
At this hour?
在这个时候？
All of us hope that you will enjoy yourselves.
我们全体人员祝大家过得愉快。
The seed was sprayed over the ground in huge quantities by aeroplanes.
飞机把这种草籽大量地撒播在地上。