1. robust a. 健壮的
She was almost 90， but still very robust.
她将近90岁了，但身体仍然十分强健。
2. rot v. 腐烂=decay
So much rain will make the fruit rot.
这么多雨水会使水果腐烂。
3. safeguard v. 保护
We must safeguard our national interests.
我们必须保卫国家的利益。
4. savage a. 野蛮的=not civilized
Most of the time elephants are tame but they can be very savage.
大多数时候大象很温顺，但他们也会大发野性。
5. scent n. 香味
The scent of women 闻香识女人（Oscar 影片）
Through the window I caught the scent of syringa.
从窗口我闻到紫丁香的香味。
6. scrutiny n. 细看
The diamond passed the scrutiny of the jeweler.
钻石通过了珠宝商的仔细检查。
7. setback n. 挫折
This setback has drained away my keenness.
这次挫折削弱了我的热情。
8. shatter v. 使粉碎
It shattered my dream.
我的梦碎了。
9. simulate v. 模拟
These insects can simulate dead leaves .
这些昆虫可以伪装成枯叶。
10. skeptical a. 怀疑的
Her tone is skeptical and detached.
她的声音是怀疑的，冷漠的。