synthetic oil合成油,合成原油syntheticadj.合成的；人造的；综合的；虚伪的n.合成物；人工制品synthetic humic acids合成腐殖酸synthetic fiber blend合成纤维混和synthetic rubber seal合成橡胶密封synthetic switch test合成关合试验synthetic observation内插同步观测synthetic alexandrite合成变石Synthetical condition制备synthetic seismogramsn.合成(理论)地震图synthetic antifungals合成抗菌药synthetic spindle oil合成锭子油