Thfa
[化] 四氢叶酸
🗣️ 情景例句
You two belong on stage! That was wonderful!
你们俩简直是职业演员！ 读得太棒了！
How many yards are you going to get?
你要取几码？
Why can't you do something about it? Can you change it?
干吗你不想点办法呢？你能换掉它吗？