浩瀚的英文：
sea
voluminousness

参考例句：

The spread of the prairie is indeed a startling sight.
草原的浩瀚确是奇观。

I would speed the vast career of civilising lore.
我要尽快地充实浩瀚的知识宝库。

Our Solar System is a drop in the ocean when compared to the infinite expanse of the universe.
同无限浩瀚的宇宙相比，我们的太阳系是沧海一粟。

Tour the enormous Dongting Lake from Yueyang to Changde by boat at 17:00.
17:00从岳阳乘船到承德,游览浩瀚的洞庭湖

Little drops of water, little grains of sand, make the mighty ocean and the pleasant land.——Carney
小小的水滴，小小的砂粒，造成浩瀚的海洋和欢乐的土地。——卡尼

From these introductions I began to appreciate the grandeur of art and have decided to become a devoted pilgrim of art.
当时我便立志要做艺术的朝圣者，因为我相信，艺术的领域不但多姿多彩，而且浩瀚无穷。

he drinks in the bitterness,the cowardly ocean attacks him furiously, to drown him,the enormity plays with his agony
他喝着苦汁，无情的海水前仆后继，定要把他淹没，浩瀚的泽国拿他的垂死挣扎来取乐。

sea是什么意思：
n. 海，海洋；大量，茫茫一片

Beyond the seas
在国外,在海外

He adventured on a unknown seas.
他冒险驶入陌生的海域。

White breast of the dim sea.
朦胧的海洋那雪白的胸脯。

The sea washes the base of the cliffs.
海水冲击悬崖的底部。

The air by the sea is pure and healthy.
海边的空气清新又有益健康。

voluminousness是什么意思：
n. 浩瀚;宽敞

Much of the voluminous literature is summarized in palmer's Catalogue of United States Hybrids
卷帙浩繁的有关文献曾在帕梅尔的《美国杂种目录》中得到概述。

Voluminous skirts,petticoats,etc,eg as worn by a Victorian lady
宽松的裙子、衬裙等(如维多利亚时代女士穿的).

The crowning task would be to condense these voluminous still-accumulating materials
要完成任务，还得把汗牛充栋的，仍在不断增加的材料进行压缩。

His coat was of light-weight cloth with voluminous revers, a long swallow-tail and large steel buttons.
他的上衣是薄呢的，大而阔的翻领，长燕尾，大钢钮。