Nitroexplosive
硝化火药
🗣️ 情景例句
You speak English without an accent.
你说英语一点口音也没有。
He who does not gain loses.
无所得即有所失。
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。