alternately

交互に

二つのことが、繰り返し順番に起こるように。

やさしい英語で： With two things happening one after the other, repeatedly.

• The light flashed alternately red and blue.
• They worked alternately, each taking an hour.
• She was alternately hopeful and afraid.

使い方： alternately A and B (The room was alternately quiet and noisy.)

類義語： in turn, by turns

よく使う表現： alternately hot, alternately red, alternately with someone

あるいは、別の方法として

ほかに選べる方法や可能性として。

やさしい英語で： As another possible choice.

• Take the bus; alternately, you could walk.
• We can meet today or, alternately, tomorrow.
• Use butter; alternately, try a little oil.

類義語： alternatively, instead

よく使う表現： alternately try, alternately use, or alternately

比の交代によって

等しい二つの比で、前の項同士と後ろの項同士をそれぞれ比べる形で。

やさしい英語で： By comparing the first terms of two equal ratios, then their second terms.

• The ratios can be compared alternately.
• Taken alternately, these terms give another equal pair of ratios.
• The proof uses the proportions alternately.

よく使う表現： taken alternately, compared alternately