Mcdonalds
n. 麦当劳（快餐品牌名）
🗣️ 情景例句
They do.
是的。
It's essential.
这是必要的。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。