上课在英语中的固定说法是on class还是in class? 在课上,在上课的时候 是用in the class还是on ...

\u4e0a\u8bfe\u5728\u82f1\u8bed\u4e2d\u7684\u56fa\u5b9a\u8bf4\u6cd5\u662fon class\u8fd8\u662fin

\u4e0a\u8bfe\u7684\u82f1\u6587\uff1a
attend class

on class\u6307\u5728\u79cd\u7c7b\u4e0a on-class teaching\u624d\u662f\u6307\u8bfe\u5802\u6559\u5b66
in class\u6307\u5728\u8bfe\u5802\u4e0a\uff1b\u4e0a\u8bfe\u4e2d
\u6240\u4ee5\u662fin class \uff0c\u62b1\u6b49\u73b0\u5728\u7684\u6ee1\u610f\u7b54\u6848\u6211\u53cd\u9a73\u4e00\u4e0b\uff0c\u6709on class\u8fd9\u4e2a\u642d\u914d\u8c22\u8c22\u3002
\u53e6\u5916\u8865\u5145\uff1a
practice on the class\u968f\u5802\u7ec3\u4e60
discuss on the class\u968f\u5802\u5c0f\u8bae
in class\uff0c\u6307\u5730\u70b9\u6bd4\u8f83\u5408\u9002\u3002someone is in class\u3002\u76f8\u5f53\u4e8esomeone is in classroom.
on class\uff0c\u6307\u65f6\u95f4\u6bd4\u8f83\u5408\u9002\u3002someone is on class.\u76f8\u5f53\u4e8esomeone is busy, not free, is on class.

on class,就象on duty一样.in the class是在教室.

be in class表示在上课
have classes/lessons是上课
例如：We are having an English class.

having class

in class 在上课
go to class 去上课
in the class 在教室

in class

扩展阅读：中英文自动翻译器 ... on和off开关图解 ... 在街上用in还是on还是at ... 英转中翻译器 ... 电源开关on和off ... on开还是off开 ... 坐在椅子上用in还是on ... 上课英语两种说法 ... on和off哪个是开关 ...