mint/api-v12/app/Http/Resources/VocabularyResource.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;
use App\Http\Controllers\DictMeaningController;

class VocabularyResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array|\Illuminate\Contracts\Support\Arrayable|\JsonSerializable
     */
    public function toArray($request)
    {
        $dictMeaning = new DictMeaningController();
        return [
            "word" => $this['word'],
            "count" => $this['count'],
            "strlen" => $this['strlen'],
            "meaning" => $dictMeaning->get($this['word'], $request->get("lang", "zh-Hans")),
        ];
    }
}