专一

single-minded / concentrated

for a particular person, occasion, purpose / focused on one thing / special / expert / particular (to sth) / concentrated / specialized

variant of 專|专[zhuan1]

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

biospecificity