Monomark
n. 代号, 标记
🗣️ 情景例句
One apple. Two apples. Three apples. Four apples.
一个苹果。两个苹果。三个苹果。四个苹果。
That nation is famous for its tourism.
那个国家以旅游业闻名。
It must be a D.
这一定是“D”。