S123. synthetic-S124. system

synthesis, synthetic

构词：syn（= same 一）＋thet（= set 放）＋-ic（adj.）

放一起 n.（人工）合成, 综合      

相关：thesis, antithesis, hypothesis, prosthesis

搭配：synthetic drugs / fabrics / materials / chemicals

            protein / speech synthesis, the synthesis of penicillin; 

            synthesis of A and / with B

近义：artificial, man-made, manufactured , fake, pseudo

system, systematic

构词：sy（= same 一, 同）＋stem（树干）

同一树干 n. 系统; 体制

相关：stem from; stand, store, story, stay, still, stall

搭配：educational/ transport/ security/ digestive/ computer system, the system of government, the system works well / broke down; overthrow / beat / against / out of （one’s）system

systematic way / study / risk / error / attempt / torture

近义：system = structure, web, organization, network, method

systematic = organized, methodical, well-ordered, standardized