Jake's head jerked up at the throb of the engine.听到发动机的轰鸣声，杰克猛地抬起了头。The bruise on his stomach ached with a steady throb.他腹部的擦伤一直阵阵作痛。Presently George's ankle began to throb with pain.不一会儿，乔治的脚踝就开始一阵阵地疼。...
A dull pain began to throb behind his lids.他的眼皮后面开始隐隐作痛地抽动。Jake's head jerked up at the throb of the engine.听到发动机的轰鸣声，杰克猛地抬起了头。Presently George's ankle began to throb with pain.不一会儿，乔治的脚踝就开始一阵阵地疼。She felt her h...
It was soon replaced by chloroform.不久它被氯仿所代替.In the epoxidation, chloroform and t butanol gave the best results.在环己烯环氧化反应中, 以氯仿和叔丁醇为溶剂时,环氧化反应的结果最好.Already the hospitals were worrying about the scarcity of quinine, calome...
探矿人员在这里发现了方解石 、 石英、石棉等矿藏.The prospectors have discovered such minerals as calcite, quartz and asbestos here.探矿人员在这里发现了许多矿藏。The prospectors have discovered many minerals here.我们正在掘地探矿.We are digging for mineral deposits....