The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层,
新概念英语第四册 Lesson 13 The search for oil

📚 句中词汇解析

从本句中提取的重要词汇

know [no] 词频1 词根: 知道
v. 知道;了解;认识;确信; n. 知情;
💡 知道know的人爱说自己不no知道
"Do you know your ABC?"
你认识所有的字母吗?
近义:learn, understand, get, cognize, comprehend, meet
drill [drɪl] 词频2 词根: dr-
n. 操练;钻头;军事训练;(应对紧急情况的)演习; vt.& vi. 钻(孔);打(眼);操练;训练; vt. 作…演习,操练;
💡 锥哦(谐音): 练习 钻孔
"After a long drill, the commander told his men to fall out."
在操练了很长时间以后, 指挥官命令士兵们解散.
近义:instruction, learning, schooling, teaching, training, tuition
geologist [dʒi'ɔlədʒist]
n. 地质学家,地质学者;
"The geologist found many uncovered fossils in the valley."
在那山谷里,地质学家发现了许多裸露的化石.
needs
adv. (只与must连用)必须地
rocks
n. 岩石, 岩礁;岩石礁石(rock复数形式)

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