基本解释[医药科学]剑尖锥英汉例句双语例句Be careful not to brace with your palms at any point of this drill, but spear with the fingertips.小心不要支撑与你的手掌在任意点的，但枪钻的指尖。spear point drill更多例句词组短语短语spear r point drill 剑尖锥spear -point drill 剑形锥spear point flat drill 翻译spear point drill更多词组专业释义医药科学剑尖锥