Evolute
n. 渐屈线
a. 展开的, 反卷的

He then treated the evolute of a plane curve.
然后他讨论了平面曲线的渐屈线。

Practice (pt&pp.practiced)
n. 练习；实践；（医生或律师的）业务；惯例
vi. 实行；惯常地进行；练习；实习
vt. 实行，实践；执业；练习；惯常地进行

Some firms have cut workers' pay below the level set in their contract, a practice that is illegal in Germany...
一些公司把工人薪水减至低于合同规定的水平，这种做法在德国是非法的。
She was taking all three of her daughters to basketball practice every day...
她每天都带3个女儿进行篮球训练。

Be wrapped up in
v. 被包藏于，埋头于，与…有关系；醉心

"We hope they can be wrapped up in the coming days."
“我们希望他们能在接下来的几天里了签订完协议。”

剧情百科

最终，尤里还是受不了利益的诱惑，着手自己的老本行。但尤里却不知道自己违背了对埃娃的承诺是多么愚蠢的事。再埃娃发现尤里的仓库时，已经对尤里失去信心了。

考考你 Q&A
Q: Please use the word or phrase you just learnt to complete the sentence beblow.

1.They lulled her into a false ______ of security.
他们哄骗她，使她产生一种虚假的安全感。
2.His treatment was a _____ of surgery, radiation and drugs.
对他的治疗是把手术、放射和药物治疗结合为一体。

A:本期答案见下期
上期答案：

1.Gordon Brown has demanded a public inquiry into bank practices.
戈登·布朗已要求对银行的惯例做法进行公开调查。
2.Be sure the children are well wrapped up in this cold weather.
在这种寒冷的天气，一定给孩子穿暖和。