accretion

英 [?'kri??(?)n] 美[?'kri??n]
  • n. 添加；增加物；連生；沖積層
GRE暢通詞匯

詞態(tài)變化

復(fù)數(shù):?accretions;

助記提示

1、ac- "to" + cret- + -ion.
2、含義：an increasing, a growing larger.

中文詞源

accretion 堆積

前綴ac-同ad-. 詞根cre, 生長(zhǎng)，見create,生長(zhǎng)，創(chuàng)造。指長(zhǎng)到一起，堆積。

英文詞源

accretion
accretion: see crescent
accretion (n.)
1610s, from Latin accretionem (nominative accretio) "an increasing, a growing larger" (as of the waxing moon), noun of action from past participle stem of accrescere, from ad- "to" (see ad-) + crescere "grow" (see crescent).

雙語(yǔ)例句

1. A coral reef is built by the accretion of tiny, identical organisms.
珊瑚礁是由許多相同的微生物不斷堆積而成。

來(lái)自柯林斯例句

2. Every culture is an accretion.
每一種文化都是長(zhǎng)期積淀的結(jié)果.

來(lái)自《簡(jiǎn)明英漢詞典》

3. The multiple migration - accretion concept of Gruner deserves mention.
格魯納的多次遷移 ― ―增長(zhǎng)說(shuō)受到了重視.

來(lái)自辭典例句

4. This formation, called an accretion disk, may be very important in some stellar birth sequences.
這種構(gòu)成物即所謂吸積盤, 它在恒星誕生的某些階段可能是非常重要的.

來(lái)自辭典例句

5. There are two main theories concerning massive star formation accretion and merger.
文章簡(jiǎn)要敘述了有關(guān)大質(zhì)量恒星形成的理論以及相關(guān)觀測(cè)證據(jù).

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