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or months or even years。 這種漂流木可能已經在海中漂流了數月,甚至數年之久。

要點 我們平時經常會碰到drift作動詞的用法,但在託福閱讀中出現了drift作名詞的用法“漂流物;吹積物”。

droplet['drɑ:pl?t]n。 小滴;飛沫

搭配 droplet transmission 飛沫傳播

例句 1。 As muddy sediments are pressed together; the gas and small oil droplets may be squeezed out of the mud; and may move into sandy layers nearby。 當泥濘的沉澱物被擠壓在一起時,氣體和小油滴也許會被擠出泥土之外,並滲入到附近的沙層當中。

2。 These millimeter…sized; melted silicate material droplets were cooled into spheres of glass and crystal。 這些只有幾毫米大的融化矽酸鹽液滴經冷卻成為了玻璃或水晶球體。

elevation[?eli'vei?n]n。 提高;高度,海拔

例句 1。 With the increase of elevation; narrow and deep channels of water form throughout the marsh。 隨著海拔增高而形成的窄而深的水槽遍佈整個溼地。

2。 The elevation in the northern peninsula is sufficiently low for the ancient Maya to reach the water table at deep sinkholes; or at deep caves。 半島北部的海拔足夠低,這使古瑪雅人可以在汙水深坑或深洞裡接觸到地下水位。

同義 altitude(n。 海拔)

emerge[i'm?:r?]v。 顯露,暴露;(從水中)出來

例句 1。 The cinema didn't emerge as a form of mass consumption at first until the technology enabled to project images on a screen in a darkened theater。 最初,電影院並沒有作為一種大眾消費形式出現,直到技術可以實現將影象投映到黑暗的劇院的銀幕上。

2。 In recent years; some talented artists emerged as leading figures in this field。 近些年,一些有才華的藝術家作為業界領軍人物出現。

engulf[in'g?lf]v。 吞沒

例句 1。 When a glacier moves; the rock formations behind have been engulfed; pushed; and dragged by it。 當冰川移動時,後面的岩層將被它吞沒、擠壓或拖拽。

2。 Sometimes animals and plants would be preserved if they were immersed in tar or quicksand; trapped in ice; or engulfed by rapid falls of volcanic ash。 有時,動物和植物在浸入柏油或流沙、陷入冰中或是被急速傾瀉而下的火山灰淹沒之後得以儲存下來。

同義 merge(v。 吞沒)

equator[i'kweit?r]n。 赤道

例句 They could trace the growth and shrinkage of the continental glaciers; even in parts of o