- 1
Polypropylene is a hard, light plastic. Factories use it for bottle caps, food boxes, cheap folding chairs, rope, car parts, and those slightly cloudy tubs that can often go in hot water or a microwave.
Polypropylene聚丙烯 is a hard, light plastic是一種硬又輕的塑膠 Factories use it for bottle caps, food boxes, cheap folding chairs, rope, car parts工廠用它做瓶蓋、食物盒、便宜的折疊椅、繩子、汽車零件 and those slightly cloudy takeaway tubs以及那種有點霧霧的外帶餐盒 that can often go in hot water or a microwave通常可以放進熱水或微波爐
Chemists mark it PP, and you will see “PP” stamped on the bottom of many containers. It is tougher than some other cheap plastics and does not like to soak up water.
Chemists mark it PP化學家標它為 PP and you will see "PP" stamped on the bottom of many containers你會看到很多容器底部印著「PP」 It is tougher than some other cheap plastics它比一些其他便宜塑膠更耐用 and does not like to soak up water也不容易吸水
This is factory and recycling language; at home people just say “plastic.” Though actually, not every hard food box is polypropylene — the recycling mark is how you know. Do not mix it up with the white foam used for hot-soup boxes; that is usually a different plastic.
This is factory and recycling language這是工廠和回收業的用語 at home people just say "plastic."在家裡大家就只說「塑膠」 Though actually不過其實 not every hard food box is polypropylene不是每個硬質食物盒都是聚丙烯 the recycling mark is how you know要看回收標誌才知道 Do not mix it up with the white foam used for hot-soup boxes別把它跟裝熱湯盒子用的白色保麗龍搞混 that is usually a different plastic那通常是另一種塑膠
組成poly- (many) + propylene (a small carbon building-block). Many propylene units joined in a long chain.
同家族的字
- propylenethe building-block the plastic is made from
- polyethylenenamed the same way: poly- plus another small building-block
- polymerthe wider family of plastics made of many repeating units
原始詞典資料1 筆記錄
以下是外部詞典記錄的用法,原文照列,我們還沒有寫成教學內容。上面的說明才是我們自己寫的;有些用法可能上面已經講過了。
polypropylenenoun
- 1
A thermoplastic resin made by the polymerization of propylene, and used for films, fibres, or moulding materials.
- Near-synonym: ♷
資料來源:英文維基詞典 English Wiktionary(CC BY-SA 4.0)。 原文照列,未經改寫。