4周搞定2000+托福核心词
subjective = sub(下面) + ject(扔) + ive(...的) = 自己扔下去的→主观的
subject = sub(下面) + ject(扔) = 扔下去让大家讨论→主题，话题
insidious = in(向内) + sid(坐) + ious(…的) = 坐在内部的→潜在的
subsidize = sub(下面) + sid(坐) + ize(…化) = 在下面坐着→资助
cadence = cad(落下) + ence(表名词) = 落下的声音→声音高低抑扬
competence = com(全部) + pet(寻求) + ence(表名词) = 能力
向下坐→下沉
subsidence
常考释义
There are some submarine islands called guyots and seamounts, in which subsidence associated with sea-floor spreading has been too speedy for coral growth to keep up.
有一些海底岛屿称为平顶山或海底山，在这些地方海底扩张带来的下沉速度太快，以至于珊瑚礁的生长速度跟不上。
来源于：阅读OFFICIAL47 P3n. 沉陷；沉降；下沉【地理】
A surveyor said that the problems were caused by subsidence and the house needed to be underpinned.
一名勘测员说是地面下陷导致了这些问题出现，房子需要加固地基。
There are some submarine islands called guyots and seamounts, in which subsidence associated with sea-floor spreading has been too speedy for coral growth to keep up.
有一些海底岛屿称为平顶山或海底山，在这些地方海底扩张带来的下沉速度太快，以至于珊瑚礁的生长速度跟不上。
来源于：阅读OFFICIAL47 P3n. 情绪平复；恢复平静<正式>
n. 沉陷【建】
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