Chem Club president Taylor McHessey answer all of your questions about that.

Be exposed to gasoline crude-oil or chem. icals until fully cured.

涂膜未完全固化前不能接触汽油、石油和化学品.

A new play acted ( put on ) at the Capital Theater last week.

上个星期在首都剧院上演了一部新的剧目.

The play acts well.

这剧本上演的效果好.

This play acts as well as reads.

这个剧本适于朗诵,也适于演出.

The trophy has a beautiful green patina.

这个奖杯表面有一层漂亮的绿锈。

I like this state. It'should be like this. The blade should not have rust or patina.

我喜欢这样的状态. 本来就应如此. 刃地本不应有锈和包浆的.

Some cooks love the natural mellow patina that develops when copper is exposed to and air.

当铜锅暴露在热和空气中,有些烹饪可能会产生铜绿.

Many industrial processes a patina that is integral to the integrity and interest of the site.

许多工业流程能够为遗址的完整性和趣味性增色.

We directly provide you with the finished copper ( ancient copper ) plate and patina ( green copper ) plate .

我们直接向你提供做好的古 铜板 、绿 铜板.

...a superficial patina of knowledge...

表面上有点儿知识的样子

...a mahogany door that is golden brown with the patina of age.

红木门因为年深日久形成的金棕色包浆

The trophy is very impressive and rather special because it has a beautiful green patina...

这个奖杯给人印象非常深刻，相当特别，因为它表面有一层漂亮的绿锈。

(figurative)He looked relaxed and elegant and had the patina of success.

他神态轻松潇洒，给人成功的印象。

The trophy has a beautiful green patina.

这个奖杯表面有一层漂亮的绿锈。

I like this state. It'should be like this. The blade should not have rust or patina.

我喜欢这样的状态. 本来就应如此. 刃地本不应有锈和包浆的.

Some cooks love the natural mellow patina that develops when copper is exposed to and air.

当铜锅暴露在热和空气中,有些烹饪可能会产生铜绿.

Many industrial processes a patina that is integral to the integrity and interest of the site.

许多工业流程能够为遗址的完整性和趣味性增色.

We directly provide you with the finished copper ( ancient copper ) plate and patina ( green copper ) plate .

我们直接向你提供做好的古 铜板 、绿 铜板.

...a superficial patina of knowledge...

表面上有点儿知识的样子

...a mahogany door that is golden brown with the patina of age.

红木门因为年深日久形成的金棕色包浆