基本解釋[毉葯科學]矛狀錐英漢例句雙語例句Be careful not to brace with your palms at any point of this drill, but spear with the fingertips.小心不要支撐與你的手掌在任意點的，但槍鑽的指尖。spear drill更多例句詞組短語短語spear r drill 矛狀錐spear point drill 劍尖錐spear r point drill 劍尖錐spear poing flat drill 劍尖平錐spear -point drill 劍形錐spear drill更多詞組專業(yè)釋義毉葯科學矛狀錐