Subnitrate
n. [化]碱式硝酸盐
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
This is my first year of college . I'm a freshman.
这是我的大学第一年。 我是一个大一学生。
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹奏一支曲子时，我们才第一次看到那条蛇。