Such is the case in pyrrole, thiophene, and furan.吡咯, 噻酚和呋喃的情况就是这样.It'shows that the key step is the synthesis of 4 - methyl - dihydro - furan - 2 , 3 - dione.研究结果表明关键步骤为原料 4- 甲基 -2, 3- 呋喃二酮的合成.A novel furan resin w...
Baxter arrived here this afternoon, on a surprise visit.巴克瑟特今天下午突然来此拜访.This afternoon the Palestinians held an impromptu press conference.今天下午巴勒斯坦方面临时召开了记者招待会。Oh, those books! I meant to put them away before this afterno...
主要控矿条件包括地层 、 构造和岩浆岩.The ore controlling condition is mainly composed of strata, magma, and structure.火山爆发的时候,岩浆岩把整个城市都淹没了.The magma submerged the whole city when the volcano erupted.断裂和岩浆岩是两大重要的成矿地质条件.The hydrothermal so...
Their approach simply bludgeons you into submission...他们的方法就是迫使你屈服。Their approach simply bludgeons you into submission.他们的方法就是迫使你屈服。Brisk brave brigadiers brandished broad bright blades, blunderbusses, and bludgeons -- b...
Softer fabrics are much more becoming than stiffer ones.软面料要比硬面料合身得多。The softer rock wears away.硬度较低的石头磨光滑了。We padded the seat of chair with mane to make It'softer.我们用马鬃来填充椅座以使它更软....