This new song will be released as a double A-side single.

I bought a new measuring spoon.

I used double-sided tape to stick the poster on the wall.

Watching his graduation ceremony, I was filled with immeasurable deep emotion.

Amphoteric oxides have the characteristic of reacting with both acids and bases.

Aluminum is an amphoteric oxide, it reacts with both acids and bases.

It's difficult to remember the units of weights and measures.

In Japanese grammar, the conjectural form is used to express the future or assumptions.

He is undergoing physiotherapy for his leg injury.

He is struggling to understand the perfect tense in English.