Aim To synthesize new type of octane number improver for gasoline, methoxyisobutyrate.目的合成一种新型汽油辛烷值改进剂─甲氧基异丁酸烷基酯.Cetane improver . Makes the engine run better at higher compression settings.碳氢化合物的改进物. 使引擎在高压缩比时运转较为顺畅.Cyc...
关于那些十分引人注意的史前动物――恐龙――的情况,我们知道得不算少.We know a great deal about those fascinating prehistoric animals, the dinosaurs.鉴于恐龙的食量是如此之大,贝克的结论认为恐龙是热血动物.Baker concluded the dinosaurs were warm - blooded because they ate so much.博物馆...
用夹钳把两块木板夹紧,等胶水干了再松开.Clamp the two pieces of wood together until the glue dries.木匠把一块木料夹在夹钳当中.The carpenter held the piece of wood in a vise.苏格兰法院裁定，将停在私人地界上的车辆上夹钳并索要罚款的行为是违法的。Courts in Scotland have ruled it illegal to c...
Honey peaches are in now and we can eat them every day.现在水蜜桃正上市,我们每天都可以吃到.Skin the peaches by blanching them.把桃子焯一下去皮。These fresh and juicy peaches are loveable.这些水灵的鲜桃看着就让人喜欢.These are wonderfully succulent peaches.这些桃子...