Hardtack
n. 硬饼干, 压缩饼干
✅ 同义词
🗣️ 情景例句
He studied harder to improve his English.
他更加努力提高英语水平。
I wonder if the dentist could fit me in early tomorrow?
请问明天一早牙科医生能抽空给我看一下吗？
He will take part in an important race across the Atlantic.
他将参加一次重大的横渡大西洋的比赛。