It is thought that they arrived more than 30,000 years ago by crossing a land bridge from Asia to America.
他们被认为是在3万多年以前从亚洲跨越一座陆桥来到美洲的。
高三英语课文
Unit 13 The USA
📚 句中词汇解析
从本句中提取的重要词汇
crossing
['krɔsɪŋ]
n. 人行横道，十字路口;交叉，相交;横越;渡口;
v. 交叉(cross的现在分词);
💡 cross横过+ing名词后→横越,交叉口
"The child was killed when a car failed to stop at the crossing."
汽车在人行横道线未能停车，结果把小孩撞死了。
近义：zebra, crosswalk, intersection, junction, traffic, transit
n. 思想;想法;关心;思索;
v. 想( think的过去式和过去分词);思索;以为;认为;
"Sleep has often been thought of as being in some way analogous to death."
人们常常认为睡眠在某种意义上来说类似死亡。
近义：idea, intent, meditation, mind, notion, pondering
反义：unintentional, unmeant, unwilled, unwitting, unwilling
n. 陆地;国家;地产;土地;
vt.& vi. （使）登岸;降临;使陷于（困境）;使不得不应付;
vt. 自船上卸下;获得;捕到;钓到（鱼）;
vi. 跳落，跌落，被抛落（地面）;
"the issue of Aboriginal land rights"
澳大利亚土著土地权问题
近义：disembark, sod, terra, ground, area, lot
反义：leave, start, board, embark, welkin, empyrean
n. 桥;桥牌;鼻梁;起联系作用的东西;
vt. 在…建桥，架桥于…之上;通过桥横跨;
💡 白(b)日(ri)等(d)哥(ge)在 桥上
"We crossed the bridge over the river Windrush."
我们穿过了温德拉什河上的桥。
近义：pass, range, span, surmount, traverse, crest