Bell reaction
[机] 钟罩反应
🧩 词语组成解析
bell
[bel]
n. 钟，铃;钟声，铃声;钟状物;[建]圆屋顶;
vt. 敲钟;系铃于，给…装上铃;使成铃状;把…放在钟形罩内;
vi. 使象钟状地张开;鸣钟;
🗣️ 情景例句
How long have you known her?
你认识她多久了？
I told him to come in and rest for a while.
我告诉他进来休息一下。
She entered the station twenty minutes before the train was due,
在火车进站20分钟前她就进了车站。