| 释义 |
aggregate [`ag·rǝ·gǝt] BOTANY Referring to fruit formed in a cluster, from a single flower, such as raspberry, or from several flowers, such as pineapple. CHEMISTRY A group of atoms or molecules that are held together in any way, for example, a micelle. GEOLOGY A collection of soil grains or particles gathered into a mass. MATERIALS The natural sands, gravels, and crushed stone used for mixing with cementing material in making mortars and concretes. |