From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美國自1830年起，加拿大從1870年左右起，殖民者開始向西遷移，并把平原據為己有。
高三英語課文
Unit 13 The USA
?? 句中詞匯解析
從本句中提取的重要詞匯
vt.& vi. 移動，搬動;
vi. 搬家;行動;進展;（機器等）開動;
vt. 提議;使感動;搖動;變化;
n. 改變;遷移;
?? mob, mov, mot 表”移動”
"Could we move on now to …?"
我們現在可以接著討論…嗎？
近義：relocate, remove, shuttle, transfer, translocate, withdraw
反義：freeze, remain, abide, caseharden
n. 有，所有，擁有;領地;財產，所有權，占有物，所有物;持有違禁物;
?? pos能+sess坐+ion表名詞，構成抽象名詞 →能坐在上面 →擁有 ，占有，possess擁有
"According to facts in my possession he can't possibly be guilty."
根據我所掌握的事實,他是不可能有罪的.
近義：ownership, tenure, property, holding, occupancy, tenancy
反義：impressment, incautation, ouster, privation, seizure, spoliation
westwards
['w?stw?dz]
adv. 向西;
"They turned westward / westwards after crossing the river."
他們過河以后向西拐了.
近義：west, westbound, westerly, westward
vt. 拿，取;采取;接受（禮物等）;耗費（時間等）;
vi. 拿;獲得;
n. 鏡頭;看法;收入額;場景;
"Students will normally take three A2 subjects."
學生通常要選三門A2證書考試科目。
近義：apprehend, keep, nab, receive, seize, snatch
反義：transfer, cede, give, reject, snub, spurn