Nitropo
硝酸钾钠
🗣️ 情景例句
The boy has infected tonsils,
这孩子的扁桃腺受到感染了，
Try (your friend) before you trust him.
朋友要经考验，才能取得信任。
The assistant who served her did not like the way she was dressed.
接待她的售货员不喜欢她的那副打扮，