英文の読み方　初級　５

　Trees give off oxygen which is essential to animal life. In the past few decades, the need for wood has increased dramatically.

　スラッシュは関係代名詞、前置詞の前、カンマの後に入れます。

　Trees give off oxygen/ which is essential/ to animal life. In the past few decades, /the need for wood has increased dramatically.

　「木は酸素を放出する、それは不可欠だ,、動物にとって。過去数十年で、木に対する需要は増えてきている、劇的に。」