A, that is, B
用于对前文A进行解释或重新表述,B是更具体或更简单的说法。
He is a linguist, that is, a person who studies language.
他是一位语言学家,那就是,研究语言的人。
即;也就是说
先理解核心含义,再看它在真实句子里的用法。
即;也就是说
used to introduce a more precise or clearer explanation of what has just been said
He is a linguist, that is, a person who studies language.
他是一位语言学家,那就是,研究语言的人。
作插入语,相当于“也就是说”,常缩略为 i.e.
We'll meet at the station, that is, in front of the main entrance.
我们将在车站见面,也就是说,在主入口前面。
She prefers simple meals, that is, dishes with only a few ingredients.
她喜欢简单的饭菜,也就是说,只用几种食材做的菜。
You need to finish the report by Friday, that is, before the weekend.
你需要在周五前完成报告,也就是说,在周末之前。
用于对前文A进行解释或重新表述,B是更具体或更简单的说法。
He is a linguist, that is, a person who studies language.
他是一位语言学家,那就是,研究语言的人。
用于句首引出对前文或整个语境的解释。
That is, we need to revise the plan.
那就是,我们需要修改计划。
Not this
He is a teacher, that is he teaches English.
Use this
He is a teacher, that is, he teaches English.
英语中,作插入语的'that is'前后需用逗号隔开,表示对前文的解释说明。中文里“那就是”不要求逗号,导致学习者遗漏逗号,造成句子结构混乱。
Not this
I enjoy outdoor activities, that is, hiking and camping.
Use this
I enjoy outdoor activities, for example, hiking and camping.
'that is'用于重新表述或澄清前文,而非列举例子。中文“那就是”有时被误用于举例,但英语中列举例子应使用'for example'或'such as'。
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作插入语,引出对前文的解释或说明;通常在句中用逗号隔开。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.