Diphenylene
二苯撑
🗣️ 情景例句
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
Nothing is as good as it seems beforehand.
期待比现实更美好。
Eventually chains were fixed to one end of the dish and a powerful winch was put into operation.
不过，他们终于将链条固定在盘子的一端，一台大功率的绞车开动起来。