pv

pv — 縮寫

1. short for photovoltaic — relating to the process of turning light from the sun d

1.縮寫B2
釋義

光電

將太陽光轉化為電能的

short for photovoltaic — relating to the process of turning light from the sun directly into electricity using materials called semiconductors.

例句

The new housing development uses pv panels on every roof.

這個新建住宅區在每棟屋頂上都安裝了光電板。

pv + noun: pv panels

China now produces more than 80% of the world's pv cells.

中國目前生產全球超過八成的光電電池。

文法句型

pv + noun (pv panel, pv cell, pv system)

用法筆記

Always used before a noun (pv panel, pv cell, pv system). Capitalisation varies — lowercase pv is more common in technical writing, while PV (all caps) appears in official product names and standards.

常見錯誤

❌We are installing pv on the roof.
✅We are installing pv panels on the roof.
💡pv is an abbreviation that must modify a noun; it cannot stand alone as a noun.

2. short for polyvinyl — relating to a group of plastics made from vinyl chemical c

2.縮寫C1
釋義

聚氯類

與乙烯基聚合物相關的

short for polyvinyl — relating to a group of plastics made from vinyl chemical compounds, used in pipes, coatings, cables, and industrial films.

例句

PVC pipes are the most common example of a pv material.

PVC 管是聚氯類材料最常見的例子。

pv + noun: pv material, exemplification: PVC as instance

The electrical cables are wrapped in a pv coating for safety.

這些電纜外部包覆了一層聚氯塗層以確保安全。

pv + noun: pv coating

文法句型

pv + noun (pv material, pv coating, pv pipe)

用法筆記

Always used before a noun. Most commonly encountered in the form PVC (polyvinyl chloride) or PVDF (polyvinylidene fluoride). When used as a bare abbreviation (pv), it typically appears in technical specifications and chemical labelling.

常見錯誤

❌This pipe is made of pv.
✅This pipe is made of PVC.
💡pv alone is not the name of a specific material; PVC is the specific compound.