Operating and maintenance supplies

operating [['ɔpəreitiŋ]]

a. 操作的, 工作的, 营业上的, 业务的, 关于收支的, 关于损益的, 外科手术的\\n[机] 运转费用

and [ənd, ən,ænd]

conj. 和，与;而且;于是，然后;因此;

maintenance ['mentənəns]

n. 维持，保持;保养，保管;维护;维修;

main手+ten拿住+ance表名词 → 用手拿住 → 维持

supplies

n. 供应品, 日用必需品, 生活用品, (储备)物质, 存货, 补给品, 生活费用\\n[化] 辅助材料

He was very hard driven.

他被迫拼命干活。

You'll break your neck, if you don't take care.

你不专心的话，就会弄断你的脖子。

The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。