用法:
1 very large in area, size, quantity or degree; immense （面积、 体积、 数量或程度）巨大的:
a vast expanse of desert, water, snow, etc 浩瀚的沙漠、 浩淼的水域、 茫茫的积雪 *
His business empire was truly vast. 他的企业规模极大. *
a vast crowd, throng, gathering, etc 大群的人.

用法:
2 (infml) very great 极大的:
a vast fortune, expense, profit, sum of money, etc 大量的财产、 花费、 利润、 金钱等 *
a vast difference 极大的差异.

• locality(location)
• lonely(lonesome)
• long(for a long time, a long time)
• look good(look well)
• look good(see good)
• look in(look out)
• look through(see through)
• look(look like)
• look(looks)
• look(see)
• look(seem)
• look(watch)
• loose(loosen)
• lose one's head(lose one's senses)
• lose one's place(lose one's position)
• lose way(lose one's way, lose the way)
• lots of(heaps of)
• lots(a lot)
• loud(loudly)
• love doing sth(love to do sth)
• lovely(loving)
• low(lowly)
• low(lowly)
• lunch(luncheon)
• lustful(lusty)