UnityでInspectorにサクッと多要素な項目を表示する

using System;
using System.Collections.Generic;
using UnityEngine; 

[Serializable]
public struct DebugAudioPair
{
    public AudioClip clip;
    public string key;
    public float volume;
}

public class DebugSoundEmitter : MonoBehaviour
{
    [SerializeField] DebugAudioPair[] pairs;
}