Cranes take from four to seven years to mature before they pair up.

鹤要四至七岁才成熟交配。

The conception of the picture is undeveloped.

这幅画的构思不成熟。

The bear was a fully grown adult.

那只熊已完全发育成熟。

The ripe wheat undulated in the breeze like the incoming tide.

成熟的小麦象潮水般随风起伏。

Lord Kierton’s going to say I’m being immature again.

基尔顿勋爵又要说我不成熟了。

When the fruits are ripe, they fall from the trees.

当果实成熟时, 它们从树上落下。

Critics reviled the novel as unsophisticated pulp.

批评家把这部小说贬为不成熟的。

When the summer crop is ripening, the autumn crop has to be sowed.

夏季作物成熟时, 就得播种秋季作物。

The unripened green fruit of pepper plants of the genus Capsicum.

青椒植物的未成熟的绿色果实辣椒。

Boys mature more slowly than girls,both physically and psychologically.

在生理和心理上,男成熟得晚些。

These latest paintings show how the artist has really grown in maturity.

这些最新的画作显示画家已经真正地步向成熟了。

She’s a woman of the world. She won’t mind if you talk openly about sex.

她是个成熟的人，不介意公开讨论性的问题。

I make men out of them and teach them never to let anyone outsmart them.

我帮他们走向成熟并教导他们绝不要败给任何人。

The fall of the old regime provided fertile ground for opportunism.

旧政权的垮台为机会主义提供了成熟的时机。

Desert plants, however, tend to be slow growing—guayule takes two years to mature.

然而，沙漠植物往往生长缓慢——银胶菊要两年才能成熟。

These youngsters are advancing towards maturity.

这些青年人正在逐渐成熟。

Abortion is defined as termination of pregnancy resulting in expulsion of an immature, nonviable fetus.

妊娠终止导致未成熟的、无法成活的胎儿被排出体外称为流产。

In albuminous seeds, it remains as a permanent storage organ of the mature seed.

在有胚乳的种子中，它保留作为成熟种子中的永久贮藏器官。

The male and female pronucleus fused finally.Most hybrids could develop normally.

成熟的雌雄原核形成后完成融合过程，形成合子核，受精过程结束。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口黑鲈和黑鲈为雄性，却带有未成熟的卵子。