Backus
巴克斯
🗣️ 情景例句
Study hard and study everyday, if you want to master the English language.
如果你想精通英语的话，就得每天刻苦学习。
They had to call in a heart specialist.
他不得不请一位心脏病专家。
It was obvious that he was very embarrassed.
显然他感到很尴尬。