The nature of the polymer is currently a trade secret.

He was a stern critic but an extremely kindly man.

他是个苛刻的批评家，但却是个非常善良的人。

Several proposals are under consideration by the state assembly.

有几个提案州议会正在讨论中。

I undid the bottom two buttons of my yellow and grey shirt.

我解开了自己黄灰相间的衬衫上最下面的两个纽扣。

Then something seemed to snap in me. I couldn't endure any more.

这时候，我的心里像有个东西突然绷断了——我再也忍受不了啦。

He ordered them to stack up pillows behind his back.

他命令他们把几个枕头叠放在自己的背后。

The three parties will meet next month to work out remaining differences.

三方将在下个月会面，以解决余下的分歧。

The president beat his breast and called that deal a mistake.

总裁捶胸顿足，称那是个错误的交易。

I shivered and pulled my scarf more tightly round my neck.

我打了个寒战，用围巾把脖子围得更紧了。

Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.

道格拉斯29岁，是个技术不错的拳击手，在以前的比赛中发挥不太稳定。

Eddie was a short squat fellow in his forties with thinning hair.

埃迪四十多岁，矮矮胖胖的，头发日渐稀疏。

Most people who smoke began smoking in their teens.

多数烟民从十几岁时就开始抽烟了。

The list of drinks, a dozen pages long, makes fascinating reading.

酒水单一共有十几页长，读起来很有趣。

My late teens and early twenties were really rough years.

我二十岁前后那几年过得真苦啊。

The riot left four people dead and several dozen injured.

暴乱中四人丧生，数十人受伤。

Her mother had bundled all her Forties clothes up and burnt them.

她母亲把她四十几岁时穿的所有衣服都包起来烧掉了。

She loaded me down with around a dozen cassettes.

她塞给我十几盒磁带。

She covered the walls with the signs of the zodiac.

她在墙上贴满了十二星座的标志。

A decade later, the company has gone from strength to strength.

十年后，该公司已经逐渐壮大。

Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable.

许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆弱。

These developments were foreseen in embryo more than a decade ago.

这些发展早在十多年前的萌芽阶段就已预见到。