名詞 avalanche:

1. a slide of large masses of snow and ice and mud down a mountain
2. a sudden appearance of an overwhelming number of things

動詞 avalanche:

1. gather into a huge mass and roll down a mountain, of snow
   同義詞：roll down

1. An avalanche of ice.
   冰崩冰的崩塌
2. He was buried by an avalanche and had to be dug out.
   他遇雪崩被埋住了，得把他挖出來。
3. What a precarious situation we were in when the avalanche started!
   雪崩發(fā)生的時候我們的處境多么危險啊！

av.a.lanche

n.（名詞）
A fall or slide of a large mass, as of snow or rock, down a mountainside.
雪崩，山崩：大塊物質(zhì)如雪或巖石，沿著山坡降落或下滑
A massive or overwhelming amount; a flood:
大量：巨大的或極大的量；洪水：
例句：
received an avalanche of mail.
收到大量的信件

v.（動詞）
av.a.lanched,av.a.lanch.ing,av.a.lanch.es
v.intr.（不及物動詞）
To fall or slide in a massive or overwhelming amount.
雪崩似的降落或滑下：以巨大的或極大的數(shù)量降落或滑下
v.tr.（及物動詞）
To overwhelm; inundate.
淹滅：淹滅；泛濫

來源：
French ; akin to Provenôal lavanca [ravine] ; akin to perhaps akin to Latin l3bo [to slip]
法語 ；類似于 普羅旺斯語 lavanca [峽谷] ；類似于 可能類似于 拉丁語 l3bo [滑]