Simonini reaction
[化] 西莫尼尼反应
🧩 词语组成解析
🗣️ 情景例句
This has been a long day.
这是个漫长的一天。
There'll be time for questions at the end.
最后会有时间发问的。
Many people have been out of work recently.
最近有许多人失业。