art. 一(个);每一(个);任一(个),用于辅音音素开头的单词前
英文例句/中文翻译:
She was invited to give a paper on the results of her research.
她应邀发表一篇论文,报告她的研究结果。
I'd like to learn a new language.
我想学习一门新的语言。
The poor man received a savage beating from the thugs.
那可怜的人遭到暴徒的痛打.