But what's wrong with a sturdy briefcase-sturdy means strong and not easily damaged.

但是耐用的公文包有什么问题吗——耐用的意思是强健并且不易损坏的。

Our next word was 'sturdy'-something that is sturdy is strong and not easily damaged.

我们的下一个词是“耐用的”——耐用的东西是强健且不易损坏的。

It makes durable high-quality shoes which customers prefer.

它生产顾客喜欢的耐用的高品质鞋子。

But the quality of wood leads to durable products.

但优质的木材造就了经久耐用的产品。

But plants don’t make tannins so that humans can have long-lasting, protective clothing.

不过植物不是为了人类能有耐用的皮革穿才制造单宁酸的。

These shells were also thicker and therefore might have made more durable tools.

这些壳还比较厚，因此可能制造出更耐用的工具。

If you're walking up a mountain you need to wear some sturdy walking boots.

如果你要爬山，你需要穿耐用的靴子。

More durable ancient buildings made of stone or brick are usually only partially buried.

由石头或砖块制成的更耐用的古建筑通常只被部掩埋。

Historically, these durable black hardwood trees were used for building furniture, cabinets, even piano keys.

历史上，这些耐用的黑色硬木被用来制造家具，，至钢琴琴键。

Of these three options, durable cloth totes are most likely to be reused.

在这三种选择中，耐用的布质手提袋最有可能被重复使用。

We needed strong, light, cheap materials that lasted a long time and plastics were perfect.

我们需要坚固、轻便、廉价、耐用的材料，而塑料就是完美的选择。

It's a strong and durable plastic often used in piping or in bottles of shampoo.

它是一种强韧耐用的塑料，常用来制作成管道或者是洗发水瓶。

This stage is essential for developing long-lasting material for the likes of, say, a t-shirt.

对于后阶段是否能产出经久耐用的材料，比如 T 恤，这一生长阶段至关重要。

It consists of a bag made of special, durable fibers and a packet of coagulant.

该产品包括一个用特殊的耐用纤维制作的袋子和一包促凝剂。

The durable fragments can serve as new real estate on which small ocean creatures can grow and multiply.

这些耐用的碎片可以作为新的栖居地，小型海洋生物可以在上面生长繁殖。

This will be a special space-age concrete mixed with the most durable substance in the world — graphene.

这将是一种特殊的太空时代混凝土，混合了世界上最耐用的物质——石墨烯。

Currently, the main malaria preventive measures are long-lasting insecticide-treated mosquito nets and the indoor spraying of homes.

目前，预防疟疾的主要措施是耐用的用杀虫剂处理过的蚊帐，以及在家中室内喷洒药剂。

Orders to US factories are for long-lasting manufactured goods jumped 3.5% last month.

上个月，美国工厂耐用制品的订单量攀升3.5%。

The result is a dense, interconnected web that makes a surprisingly durable building material that's both thermal and radiation-protective.

因而会形成了一个稠密互连的网，创造出一种惊人耐用的建筑材料，既能防热，又能防辐射。

You need a pair of good sturdy school shoes.

你需要一双坚固耐用的学校鞋。