chain

chain

名词 chain:

a series of things depending on each other as if linked together

同义词：concatenation

(chemistry) a series of linked atoms (generally in an organic molecule)

同义词：chemical chain

a series of (usually metal) rings or links fitted into one another to make a flexible ligament

a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership

anything that acts as a restraint

a unit of length

British biochemist (born in Germany) who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1906-1979)

同义词：Ernst Boris Chain, Sir Ernst Boris Chain

a series of hills or mountains

同义词：range, mountain range, range of mountains, mountain chain, chain of mountains

a necklace made by a stringing objects together;

同义词：string, strand

动词 chain:

connect or arrange into a chain by linking

fasten or secure with chains