"The first litter of mini-pigs to be used in medical research was born last Thursday," said Dai Yunping, a researcher at China Agricultural University's state key agro-biotechnology laboratory.

一名中国农业大学农业生物技术国家重点实验室的研究人员代运平说，上周四第一窝用于医学研究的迷你猪出生了。

youdao

The first leaves of autumn litter the fountain.

NEWYORKER: Tributaries

Manchester City Council is the first local authority to tackle litter in this way.

BBC: NEWS | UK | England | Manchester | Litter louts are named and shamed

"This is the first fine that we have issued specifically for chewing gum litter, " said Jim Jones, the council's executive board member for environmental and public protection.

BBC: South West Wales