The second marks the arrival of transverse vibrations which travel more slowly and arrive several minutes after the first.
然后記錄下的是橫向波的到達，橫向波比縱向波傳播得慢，在縱向波到達幾分鐘后才能到達。
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. 秒;瞬間;次貨;第二份食物;
adj. 第二的;次要的;居第二位的;另外的;
adv. 第二;其次;以第二位;
vt. 支持;臨時調派;附議;贊成提案;
?? sec跟隨+ond=one第一→跟隨第一個之后→第二；秒
"She was in the second year of her apprenticeship as a carpenter."
她當木工學徒已是第二年了。
近義：back, backstop, reinforce, support, advocate, endorse
反義：oppose, confront, contradict, counter, fence
n. 到達，抵達;出現，登場;新生嬰兒;到達者;
?? arriv=arrive到達+al表示人 →到達者
"Shortly after my arrival at the school, I was befriended by an older girl."
我到學校后不久便得到了一位年齡較大的女孩友善對待。
近義：appearance, appearing, imminence, approach, approaching, assistance
反義：parting, withdrawment, departure, egress, exit, exodus
adj. 橫向的;橫斷的;橫切的;向橫活動的;
n. 橫向物;橫軸;橫斷面;[解]橫肌;
?? trans超過，橫過+verse轉 → 橫向的，橫斷的
"A transverse bar joins the two posts."
一根橫桿連接著兩根立柱。
近義：thwart, transversal, traverse
vi. 到達，來;發生;
?? ar一再+rive河→到達河邊→達到目標→到達
"Arrive two days early in order to acclimatize."
提前兩天到達以便適應新環境。
近義：come, get
反義：migrate, absquatulate, retire, retreat, scat, transmigrate
n. 旅行;進行;移動;漫游;
vi. 旅行;傳送;前進，行進;[籃球]走步;
vt. 經過，通過;游歷;
"The agency will make travel arrangements for you. Alternatively, you can organize your own transport."
旅行社將為你安排旅行，或者你也可以自己安排交通工具。
近義：jaunt, journey, junket, tour, trip, fare
反義：fester