🧩 词语组成解析
[医] 原生生物
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
People will do anything to see a free show -- even if it is a bad one.
人们总要想尽办法看不花钱的演出——哪怕是拙劣的演出。