1.a great deal of 大量的；许多的

例句：By practising thrift we can cut out a great deal of unnecessary expenditure.
通过节约我们可以省去大量不必要的开支。

2.mountain-top 山顶

例句：If you would attain to the mountain-top you must pass through the valley, climb the steeps, unafraid of the dangerous precipices.
若要到达山顶，你必须穿越山谷，爬上陡坡，毫不畏惧危险的悬崖。
3.oxygen tanks 氧气瓶；氧气罐

例句：Mountain climbers often carry oxygen tanks because the air is very thin at high altitudes.
登山者通常会携带氧气筒，由于在极高的地带空气相称淡薄。

4.wedding march 婚礼进行曲

例句：The pianist played the happy pair out with the wedding March.
钢琴师弹奏结婚进行曲送走这幸福的一对。