to make something a permanent and necessary part of a larger system or structure
組み込む
to be involved in or conduct activities related to a particular kind of business, commodity, or trade
取り扱う
to engage or involve someone in a particular activity, situation, or conversation
引き込む
to participate in or become involved in a particular activity, conversation, etc.
参加する
to gently mix one ingredient into another by lifting and turning the mixture with a spatula or spoon
折り込む
to participate in an ongoing activity or opportunity when others are already involved
参加する
to study a particular subject as one's main field of study at a college or university
専攻する
to choose to participate in something, typically by actively indicating one's willingness or consent to do so
参加することを選ぶ
to be deeply surrounded by a significant amount of tradition or history
伝統に染まった
to get involved in an argument, discussion, or activity and share one's opinions
口を出す