Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，
新概念英语第四册
Lesson 38 Water and the traveller
📚 句中词汇解析
从本句中提取的重要词汇
vt. 供给;补充;弥补（缺陷、损失等）;向…提供（物资等）;
n. 供给物;储备物质;粮食;
vi. 暂代他人职务;
💡 sup在下面+ply重叠，折叠→重叠下去→供应[下去],补给
"an adequate supply of hot water"
热水供应充足
近义：minister, munition, procure, provide, provision, purvey
反义：move, rob, take, budge, inadequacy, insufficiency
n. 根源，本源;源头，水源;原因;提供消息的人;
vt. （从…）获得;发起;向…提供消息;寻求（尤指供货）的来源;
vi. 原料来源;起源;寻求来源;寻求生产商（或提供商）;
💡 source(rise)→泉源；源头
"I've heard from a reliable source that company is running very badly."
我已从一位可靠人士那儿获悉,这家公司经营得非常糟糕.
近义：resort, resource, procedence, provenance, provenience, root
n. 水;雨水;海水;海域;
v. 给…浇水;供以水;加水稀释;流泪;
💡 字母W像水的波浪，联想到水。
"A gentle wind disturbed the surface of the water."
微风拂动水面.
近义：irrigate, squirt, douche, weep, blubber, boohoo
adj. 安全的;保险的，肯定的;无损的;提供保护的;
n. 保险箱，保险柜;冷藏箱;〈俚〉避孕套;
💡 被save（拯救）已safe（安全）
"The family jewels are locked away in a safe."
家里的珠宝首饰都锁在保险柜里。
近义：strongbox, vault, innocuous, inoffensive, offenceless, riskless
反义：hesitant, hesitative, infirm, irresolute, shaky, skeptical