代數結構

algebraic structure

to substitute / to act on behalf of others / to replace / generation / dynasty / age / period / (historical) era / (geological) eon

algebra

to count / to count as / to regard as / to enumerate (sb's shortcomings)

number / figure / several / CL:個|个[ge4]

frequently / repeatedly

(of a plant) to produce (fruit or seeds) / Taiwan pr. [jie2]

knot / sturdy / bond / to tie / to bind / to check out (of a hotel)

structure / composition / makeup / architecture / CL:座[zuo4],個|个[ge4]

to construct / to form / to make up / to compose / literary composition / paper mulberry (Broussonetia papyrifera)