起初;

The men had relinquished their position at the first serious counterattack.
士兵们经不起敌人稍微用点力气一反扑,又把阵地丢了.
来源:词典精选例句Then, at the first sniff of danger, he was back at his post.
然后,他一嗅到危险的气息,便马上回到自己的岗位。
来源:《柯林斯高阶英汉双解学习词典》You can pre-empt pain by taking a painkiller at the first warning sign.
刚出现征兆时,就服用止痛片来预防疼痛。
来源:《柯林斯高阶英汉双解学习词典》
简答网 · 初中英语作文

简答网 · 中考英语

简答网 · 双语新闻

简答网 · 高考英语

简答网 · 双语新闻

简答网 · 高考英语