A single grain of rice can tip the scale. One man may be the difference between victory and defeat.

语音讲解

今日发音练习重点：
1.注意tip中的元音不要读成“踢”；
2. 注意句子中单词的轻重搭配。
3. 注意意群的划分。比如下句：
A single grain of rice can tip the scale.
可以在rice后停顿，也可整句话中间不停顿（短句）。意群的划分有一定规律，停顿须按照意群规律进行选择，但并非只有一种停顿模式。

言之有物
1. 词链儿： a (single) grain of rice （单）一粒米
grain 颗粒 粮食
scale 天平
We should not waste even a single grain of rice.
哪怕是一粒米也不应该浪费。
2. 词链儿：tip the scale
tip 使倾斜
scale 天平
本义：使天平倾斜;
抽象：起决定作用; 扭转局势; 占优势
The two candidates are so close in the polls that both are vying for something that will tip the scale in their favor.
两位候选人选票数很接近，所以他们都在争取对自己有利的条件。
拓展：
① tip 小指点/小窍门
useful tips on how to save money
几个省钱的窍门儿
② tip 小费（可作动词或名词）
He gave the waiter a generous tip .
他给了服务员很多小费。
She tipped the porter a dollar.
她给了行李工一元的小费。
③ on the tip of your tongue 话到嘴边
if a word or name is on the tip of your tongue , you are sure that you know it but you cannot remember it
请看美剧《西部世界》中on the tip of your tongue的应用：

3. victory and defeat 成与败

4. the difference between XX and XX XX 和 XX 之间的不同
What is the difference between this and that?
这个和那个之间的区别是什么？

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