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The birthrate is on the decrease.是什么意思？

The birthrate is on the decrease.

人口出生率正在下降.

相关词汇
the birthrate is on decrease

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

birthrate

n. 出生率；

is

vt.& vi. 是（be的三单形式；n. 存在；

on

prep. （表示方向）向，（表示对象）对，（表示位置）在…上，（表示时间）在…之时；adv. （放，穿，连接）上，向前，（继续）下去；adj. 活动着的情况，状态，使用着的，发生着的，计划中的；

decrease

n. 减少，减小，减少量；vi.&vt. 减少，减小；
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