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- 去年2月21日是“国际母语日”，联合国教科文组织公布了《全球濒临消失危机的语言概况》的报告，指出全球6700多种语言中，约有半数正面临消失灭绝的危机。Acording to a Unesco report released on the International Mother Language Day on Feb 21 last year, about half of the 6,700 or so languages in the world are in danger of dying.
- 母语native language
- 日中Japan-China
- 日的diurnal
- 前日eve
- 按日by the day
- 人日man-day
- 他们打算召开一次国际博览会。They are going to hold an international exposition.
- 我的母语是西班牙语。My mother tongue is Spanish.
- 日式Japanese
- 纽约是个国际大都会。New York is a very cosmopolitan city.
- 日心说hiliocentricism
- 他们的母语是英语。They are native speakers of English.
- 日後sometime
- 日蚀eclipse
- 日圆Japanese yen (unit of currency)
- 日刊diurnal
- 祝日festa
- 安息日Sabbath
- 择日choose an auspicious day
