1
in saltation
地质学用法，指颗粒被流体搬运时的跳跃运动。
The sand was in saltation across the dunes.
沙子正在沙丘上跃移运动。
跳跃，舞蹈
saltations — plural of saltation
先理解核心含义，再看它在真实句子里的用法。
跳跃，舞蹈
a sudden leaping or dancing movement
The sand was in saltation across the dunes.
沙子正在沙丘上跃移运动。
跳跃、蹦跳或舞蹈
A leap, jump or dance.
用所有腿同时跳跃或蹦跳的动作(通常主要由后腿发力)
The act of jumping, or hopping, using all legs simultaneously (although the contribution to motion is typically made chiefly by the hind legs).
跳动或悸动
Beating or palpitation.
从一代到下一代的突然变化；突变
A sudden change from one generation to the next; a mutation.
The wind causes saltation of sand grains across the desert surface.
风引起沙粒在沙漠表面进行跃移运动。
A saltation in the gene led to a completely new flower color.
基因中的一次突变导致了全新的花色。
The dancer's graceful saltation captivated the audience.
舞者优雅的跳跃让观众着迷。
地质学用法，指颗粒被流体搬运时的跳跃运动。
The sand was in saltation across the dunes.
沙子正在沙丘上跃移运动。
遗传学用法，指导致表型剧变的突变。
A saltation event drastically altered the species.
一次突变事件剧烈地改变了该物种。
Not this
The particles saltate in the wind.
Use this
The particles undergo saltation in the wind.
错误：将名词 'saltation' 误用作动词。英语中 'saltation' 是名词，表示跳跃或跃移运动，不能直接作为动词使用。应使用 'undergo saltation' 或 'move by saltation' 等结构。
Not this
I wrote a saltation to my teacher.
Use this
I wrote a salutation to my teacher.
错误：拼写混淆。'saltation' 意为跳跃或突变，而 'salutation' 意为问候或致意。根据语境，应使用 'salutation' 表示写信的开头问候。
Choose the next layer that will help you use saltations with more confidence.
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use saltations naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.