Double
Dual
noun, の adjective
When you have two heavy things, you have double and dual the heavy (compared to one, at least).
This word is a prefix attached to other words to show that it is "double." 二重 kanji time!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
二重にまく
to double roll
二重にラップする
to double wrap
二重につつむ
to double wrap something
分からない文字の下に、二重のラインを引いて下さい。
Please draw a double line under characters you're not sure about.
この魚はニオイが強いので、ラップを二重にしておきますね。
This fish has a strong smell, so I'll double wrap it.
これは、二重アゴをなくすためのエクササイズです。
This is an exercise to get rid of double chins.