Please book me one first class seat on AAL Flight 711 to New York
请给我订一张去纽约的711航班的头等舱座位。

A class is a concept in a domain.
类是域中的概念。

A delegate is a class that can hold a reference to a method.
委托是可保存对方法的引用的类。

A field in a class is somewhat analogous to a variable in a method.
类中的字段类似于方法中的变量。

a border clash a border skirmish.
边境冲突

to rise up with a great clamor to rise in a hubbub
鼓噪四起

a special teacher who at the same time as a teacher in charge of a class
专业教师兼任班主任

assistant of a teacher in charge of a class.
班主任助理

A clause is a group of words containing a subject and a verb of its own.
子句是指一组字, 这组字包括著主语和动词。

What a love of a clay doll!
多么可爱的泥娃娃!

The word order of a clause is different when the clause is a statement, a question, or a command.
陈述句, 疑问句和祈使句得语序各不相同。

shut a book with a clap
啪地一声合上书

A man belonging to a clan.
族人属于氏族的人

Fashion a lump of clay into a bowl.
用粘土塑成碗。

Claire is very sad that Aaron is leaving for college.
克莱儿对于艾伦要离家念大学这件事很感到难过。

Moses, Aaron and the leaders the the Kohathites by their clans and families.
摩西，亚伦与会众的诸首领将哥辖的子孙，照着家室，宗族。

Rectifier Select Tube Class A or AB,
整流三项选择电子管

The agreement was declared void ab initio.
此协议自一开始就被宣布无效。

Whose abacus skill is the best in the class
我们班上谁的珠算技术最高？

Include an abandonment clause in an insurance policy
将委付条款列入保险单中

He claimed that his parents had abandoned him.
他声称父母遗弃了他。

Each side declared that it would never abandon its principle.
各方都说绝不放弃自己的原则。

Inasmuch as the debtor has gone bankrupt, I will abandon the claim.
债务人既已破产，我将放弃债权。

His corpse was abandoned in a deserted ditch, and no one claimed it.
他的尸体被丢在荒沟中，无人认领。

So the Communists abandoned class war for national war.
因此，中共以民族战争代替了阶级战争。