natural and synthetic是什么意思

网络释义

用法例句

87. Many areas of our city are built on or below natural or man-made slopes.

８７．香港不少地区位近天然或人造斜坡。

A natural or synthetic filament, as of cotton or nylon, capable of being spun into yarn.

天然纤维如棉纤维或尼龙纤维等能够被纺成线的天然或人造长丝

Fertilizer: Natural or artificial substance containing the chemical elements that improve growth and productiveness of plants.

肥料: 含有促进植物生长和增产的化学元素的天然或人造物质。

grindstone ,of agglomerated natural or synthetic diamond, without frameworks, with or without parts of other materials

磨石,以凝集的天然或人造金刚石制,不带框架,不论是否有其他材料的零件

millstone of agglomerated natural or artificial abrasives without frameworks, with or without parts or other materials

磨石机,以凝集的天然或人造研磨料制的,不带框架,不论是否有其他材料的零件

Artificial, or synthetic, fibers are in some ways much better than any natural ones.

人造纤维或称合成纤维在某些方面要比天然纤维好得多。

a natural or synthetic crystalline material having piezoelectric or semiconducting properties.

"一种天然的或人造的晶体材料,具有压电性和半传导性."

created from natural materials or by chemical processes.

用天然材料或通过化学过程制造而成。

Many believe artificial soils do not simulate natural soils.

许多人相信人造土并不像天然土。

A natural or artificial hole or cavity in the ground.

坑，洞一个地上天然的或人工的洞或穴

Cotton is a natural fiber, but rayon and nylon are synthetic.

棉花是天然纤维，但人造丝和尼龙却是人造的。

The crystal is natural, not artificial.

这块水晶是天然的，不是人造的。

An artificial substitute for the natural crown of a tooth.

假齿冠天然齿冠的人造替代品

artificial foliage of natural stone(non-precious)

人造叶饰,天然石料（非宝石）制

artificial fruit of natural stone (non-precious)

人造蜡制水果,天然石料（非宝石）制

Cotton is a natural fibre;nylon is a man - made fibre.

棉花是天然纤维，尼龙是人造纤维。

Does artificial silk crease more easily than natural silk?

人造丝比天然丝更易起皱吗？

Man-made materials have not yet completely replaced natural ones.

人造材料还没有完全取代天然材料。