原文:物体在水中比在空气中轻,这是一个大家共有经验。译文:It is a of common experience that are in water than they are in air.
举一反三
- 原文:物体在水中比在空气中轻,这是一个大家共有经验。译文:It is a _______of common experience that bodies are______in water than they are in air.
- 原文:物体在水中比在空气中轻,这是一个大家共有经验。译文:It is a ...han they are in air.
- 原文:物体在水中比在空气中轻,这是一个大家共有经验。译文:Itisaofcommonexperiencethatareinwaterthantheyareinair._第一空：_matter；_第二空：bodies；第三空：lighter
- 词汇与结构 Warm air is less dense than cool air, and _____ air is less dense than dry air.
- The pressure of pilot air is usually （） than that of starting air.