adj.浮在表面的;
例句:
The supernatant fat was skimmed off.
浮在表面的肥油已经被撇去了.
Transfer the supernatant into a spin ( QIAprep ) column.
将上清液换至( Qiaprep ) 离心管柱.
The culture supernatant of tumor cell lines was not cytoxic.
白血病细胞培养上清液无细胞毒作用.