Pertinaciously
adv. 坚持地; 固执地; 坚决地; 执拗地
📖 牛津释义
pertinaciously
adv.
🗣️ 情景例句
You must develop the muscles of your speech organs to produce unfamiliar sounds.
所以你必须训练和发展你的发音器官（声带、舌、口、鼻腔等）的肌肉，以便发出陌生的（另外一种语言）声音。
Don't cast out the foul water till you bring in the clean.
清水未来，莫泼赃水。
Number 13 buses run much more frequently, don't they?
13路车跑得更勤，是不是？