introduce

B1 · Intermediate

v. to bring a new idea, product, or law into a place for the first time.

v. to bring something into use, practice, or existence for the first time within a specific environment.

日本語:導入する※

“The company plans to introduce a new smartphone model next month.”

“The government decided to introduce stricter environmental regulations to combat the rising levels of industrial pollution in the region.”

B1 · Intermediate

v. to provide the first part of a book, speech, or piece of music.

v. to present or announce a topic, person, or work to an audience as an opening.

日本語:前置きする※

“The author uses the first chapter to introduce the main characters.”

“The moderator will introduce the debate topic by providing a brief historical overview of the conflict.”

B2 · Upper Intermediate Science Technical

v. to put something into a system, mixture, or body.

v. to insert or add a substance or element into a closed system or medium.

“The doctor had to introduce a small tube into the patient's vein.”

“The researchers introduced a specific catalyst into the chemical mixture to observe how it would accelerate the reaction.”