He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。
高三英语课文 Unit 14 Roots

📚 句中词汇解析

从本句中提取的重要词汇

ancestor ['ænsɛstɚ] 词频2 词根: ante
n. 祖先,祖宗;被继承人;原型;(动物的)原种,先祖;
💡 an=ante前,先+cest=cess行走,前进+or表人→走在前面的人→祖先
"This machine is the ancestor of the modern computer."
这台机器是现代电脑的始祖.
近义:ascendant, parent, progenitor, forebear, predecessor, elder 反义:kin, offspring, son, boy, issue, scion
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
part [pɑ:t] 词频1 词根: 部分
n. 部分;零件;参加;地区; vt. 使分裂;拆移;使分开; vi. 分开;分离;分岔; adv. 不完全地,部分地; adj. 不完全的,部分的;
"The first part of the plan has been safely accomplished."
计划的第一部分已顺利完成。
近义:section, segment, split, divide, fragment, secede 反义:whole, entirety, off, outright, plumb, quite
come [kʌm] 词频1
vi. 来;开始;出现;发生; vt. 做;装扮…的样子;将满(…岁); int. 嗨!;
"The time has come for action if these beautiful animals are to survive."
若要使这些美丽的动物能生存下去,现在就要行动起来。
近义:impersonate, perform, personify, portray, represent, stage 反义:leave, absquatulate, retire, retreat, scat, split
Africa ['æfrɪkɚ] 词频1
n. 非洲; adj. 非洲的;
"her adventures travelling in Africa"
她在非洲旅行时的冒险经历

📚 更多「高三英语课文」例句