Isoguvacine
四氢吡啶甲酸, 异四氢烟酸
🗣️ 情景例句
You and Dad.
你和爸爸。
Life is a flower of which love is the honey.
人生是花朵，爱情是花蜜。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长