本 Four Corners 4 - ユニット 7 レッスン D

at a time in the past, often used to introduce a fairy tale or fictional story

appearing mechanical or lacking emotion

ロボットの, 機械的な

a chair with wheels that is designed particularly for the use of disabled persons

車椅子, 車の椅子

a state of being free from pain, worry, or other unpleasant feelings

快適さ, 慰め

very necessary for a particular purpose or situation

必須の, 不可欠な

books, movies, etc. about imaginary things based on science

サイエンスフィクション

to have actual presence or reality, even if no one is thinking about it or noticing it

存在する, ある

the latest or most advanced level of technology, design, or knowledge in a particular field

an old person, especially someone who is retired

高齢者, シニア市民

to guess the value, number, quantity, size, etc. of something without exact calculation

推定する, 見積もる

to become less in amount, size, or degree

減少する, 下がる

all the individuals who work in a particular company, industry, country, etc.

労働力, スタッフ

a lack of something needed, such as supplies, resources, or people

不足, 欠如

a period of time in which someone no longer works due to old age

黄金の年, 退職期間

a failure in the progress or effectiveness of a relationship or system

崩壊, 破綻

an order, particularly given by someone in a position of authority

命令, 指令

a way of communicating emotions or attitudes through movements and positions of the face, such as smiling, frowning, or raising eyebrows

表情, 顔の表情

showing signs of future success or potential

将来性のある, 将来性のある