| 释义 |
〔potbound〕Having grown too large for its container, resulting in matting or tangling of the roots. Used of a potted plant.根满盆的，盆缚的：长大得超过了其容器，以致于根都纠缠在一起的。用来指盆栽植物〔potted〕many potted plants in the study.书房中的许多盆栽植物〔perlite〕A natural volcanic glass similar to obsidian but having distinctive concentric cracks and a relatively high water content. In a fluffy heat-expanded form perlite is used as a lightweight aggregate, in fire-resistant insulation, and in soil for potted plants.珍珠岩：一种天然火山玻璃岩，类似于黑曜岩，但它有清晰的同轴裂纹和相对高的含水量。轻的热膨胀形珍珠岩可用作轻型建材，也可用于绝热材料和盆栽植物的土壤中 |