品系

strain (of a species)

(bound form) article; commodity; product; goods / (bound form) grade; rank / kind; type; variety / character; disposition; nature; temperament / to taste sth; to sample / to criticize; to comment; to judge; to size up / fret (on a guitar or lute)

to connect / to relate to / to tie up / to bind / to be (literary)

system / department / faculty

to tie / to fasten / to button up

to connect / to arrest / to worry