2.) 口的,口部的

The oral opening in an earthworm is small.

蚯蚓的口是很小的。

1.) 口头的,口述的

An oral agreement is not enough; we must have a written promise.

只有口头协议是不够的;我们必须有一个书面承诺。

He passed his German oral exam.

他通过了德文口试。

3.) 倾斜[the S]

oral

adj.

2.) 衰退,衰落[the S]

1.) 下降;减少[S1]

There is a decline in real wages.

实际工资有所减少。

2. )[语]使发生词尾变化,使变格

n.

1.) 婉拒;谢绝[+to-v]

She declined their invitation.

她婉拒了他们的邀请。

She declined to have lunch with her friend, saying that she wasn’t feeling well.

她说她身体不舒服,婉拒了与她的朋友共进午餐。

3.) 婉拒;谢绝

vt.

2.) [书]倾斜;下垂

1.) 下降,下跌;减少;衰退,衰落

As one grows older one’s memory declines.

人的记忆力随着年龄增长而衰退。

Unemployment declined to 4 percent last month.

上个月失业率降至百分之四。