1.
(of biological species or speciation) occurring in areas isolated geographically from one another.
（生物学种或物种形成）在各区发生的。
2.
(of biological species or speciation) occurring in the same or overlapping geographical areas.
（生物学种或物种形成）发生在同样的或重叠的地理学区域。
3.
The elements combine in many different ways to form thousands of compounds.
元素以多种形式结合形成数千种化合物。
4.
a compound formed from one or more other compounds in a reaction resulting in removal of water.
由其他一种或多种化合物脱水后形成的化合物。
5.
a sedimentary rock formed of coarse-grained material.
一种由粗颗粒物质形成的沉积岩。
6.
any compound of oxygen with another element or a radical.
氧和另一种元素或基形成的化合物。
7.
a sedimentary rock formed from clay deposits.
一种由粘土沉淀物形成的沉积岩。
8.
The underground buildings are semicylindrical in design.
这种地下建筑物设计成半圆筒形的。
9.
A substance that forms a gel with water.
氢胶一种与水形成冻胶的物质
10.
H3Fe(CN)6), a brown unstable acid formed from ferricyanide.
一种棕色的不稳定酸，由铁氰化物形成。
11.
The Characteristics of Species and Forming Paths of Emerging Technologies;
新兴技术的物种特性及形成路径研究
12.
the shape or manner in which things come together and a connection is made.
物体集合在一起且形成一种连接的形状或样式。
13.
Formed from matter deposited by water, as certain sedimentary rocks.
水成岩由水中沉淀的物质形成的，如某种沉积岩
14.
A chemical compound formed from another, often an acid, by the removal of water.
酸酐，脱水物一种化合物由另一种化合物（多为酸）脱水后形成
15.
"anhydride: a chemical compound formed from another, often an acid, by the removal of water."
酸酐,脱水物: 一种化合物由另一种化合物(多为酸)脱水后形成。
16.
The actual or hypothetical organism or stock from which later kinds evolved.
物种原形演化成后来各物种的真实存在的或假设的有机物
17.
a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds.
两种化合物互相交换物质形成两种新的化合物的化学反应过程。
18.
any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape.
把织物折成双层后压或缝成某种形状时形成的各种各样的折缝的一种。