Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一個人站在公共汽車或火車上，當車突然開動時，他為什么會傾倒呢？
新概念英語第四冊
Lesson 42 Recording an earthquake
?? 句中詞匯解析
從本句中提取的重要詞匯
n. 火車;行列;一系列相關(guān)的事情; 拖裾;
v. 訓(xùn)練;教育;培養(yǎng);修整;
?? train(draw)→教養(yǎng)；訓(xùn)練；列車；行列；導(dǎo)火線
"The train went slower and slower until it stopped altogether."
火車愈來愈慢，最后完全停了。
近義：illustrate, instruct, master, prepare, qualify, raise
n. 起立，站立;身份，地位;持續(xù)時間;
adj. 長期有效的;直立的;固定的;
v. 站立;堅持不變;
"Who's the girl standing behind Jan?"
站在簡身后的女孩是誰？
近義：name, renown, reputation, repute, status, fame
反義：shame, unpopularity, belittling, dishonourableness, dishonouring, disgrace
vt. 照料，照顧;護理;照管，管理;
vi. 傾向（于），趨向（于）;伺侯，招待;關(guān)心;注意;
?? 十(ten)只鹿(d)需要 照管
"The girls in a class tend to have a civilizing influence on the boys."
班上的女生往往能讓男生文雅起來。
近義：trend, gravitate, serve, assist, nurse, attend
v. 落下;跌倒;減少;淪陷;
n. 落下;瀑布;秋天;減少;
?? 所有的(all)的樹葉落下(fall)來,秋天(fall)到了 網(wǎng)友：wangqidong 補充：(f)風(fēng)把(all)所有的樹葉吹下來，秋天(fall)到了
"Several factors have been adduced to explain the fall in the birth rate."
有幾個因素已被援引來說明出生率降低的原因。
近義：plonk, slump, decline, decrease, descend, diminish
反義：arise, ascend, peak, stand, tower, uprise
adj. 突然的，未預(yù)見到的;急躁的，倉促的;快的，迅速的;急劇;
?? 傻等（諧音）：事太 突然，讓你傻等 速(su)打(d)倒(d)恩(en)人，太 突然
"She was totally bewildered by his sudden change of mood."
他的情緒突變搞得她全然不知所措。
近義：hurried, abrupt, lightning, precipitant, precipitate, precipitous
反義：stepped, probable, expectable, expected