例句與造句

1. Since 1976 he has collaborated on the development of new antiretroviral drugs with Erik De Clercq of the Rega Institute for Medical Research at the Catholic University of Leuven, Belgium.
2. Since 1976 Erik De Clercq has collaborated on the development of new antiretroviral drugs with Anton韓 Hol? of the Institute of Organic Chemistry and Biochemistry ( IOCB ) of the Czechoslovak Academy of Sciences in Prague, Czech Republic.
3. It's difficult to find erik de clercq in a sentence. 用erik de clercq造句挺難的