a trough (the lowest point), a height (the vertical distance from the trough to the crest),
波谷(最低点)、浪高(从波谷到浪峰的垂直距离)
新概念英语第四册 Lesson 40 Waves

📚 句中词汇解析

从本句中提取的重要词汇

point [pɔɪnt] 词频1 词根: 刺扎
n. 点;要点;得分;标点; vt. (意思上)指向;削尖;加标点于;指路; vi. 表明;指向;
💡 point(prick)→点;地点;目的;时刻;使锐利;指示
"Racial tension has reached boiling point ."
种族间的紧张状态已达到一触即发的程度。
近义:range, aim, hone, sharpen, strap, strop
vertical ['vɝtɪkl] 词频4 词根: ver
adj. 垂直的,竖立的;[解]头顶的;顶点的;[植]纵长的,直上的; n. 垂直线,垂直面;[建]竖杆;垂直位置;
💡 vert转变+ical...的 → 转变成直的 → 垂直
"the vertical axis of the graph"
图的纵轴
近义:plumb 反义:lying, flat
distance ['dɪstəns] 词频1 词根: di
n. 距离,路程;远处;疏远;(时间的)间隔,长久; vt. 把…远远甩在后面;疏远;与…保持距离;
💡 dist距离 + ance 表名词,状态、情况、性质、行为 → n.距离,间距;远处
"A peal of church bells rang out in the distance."
远处响起了一阵教堂的钟声。
近义:isolation, separation, estrangement, aloofness, distantial, separate 反义:approximate, abut, immediacy, nearness, neighborhood, neighbourhood
trough ['trɔ:f] 词频4
n. 水槽,食槽;低谷期;[航]深海漕;[气]低气压槽;
"As the wave bore down on us, the trough deepened."
当波涛向我们压来时, 波谷加深了.
近义:basin, manger, rack, stall, drinker, waterer
height [haɪt] 词频2 词根: /hi:/
n. 高度,海拔;高地;身高;绝顶,顶点;
💡 deep(a.深的)-depth(n.深度) high(a.高的)-height(n.高度) wide(a.宽的)-width(n.宽度) broad(a.广的
"The height of the bicycle seat is adjustable."
这辆自行车车座的高度可以调节。
近义:rise, elevation, altitude, stature, tallness, heyday 反义:profundity, deepness, pit, abyss, gulf

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