介词用法详解(9)

at a high speed 高速

The soldiers launched an attack upon the enemy at sunset.

战士们在日落时对敌人发起了攻击。 at daybreak 日出时

The force at the core leading our cause forward is the at our request 应我们的请求 at the news 听到这消息 at the risk of 冒……危险 at a great expense 以巨大费用 at a stroke 一举 Chinese Communist Party.

领导我们事业的核心力量是中国共产党。 The atom has a nucleus at its core. 在原子的中心有一个原子核。

At the beginning of this term the teacher in charge of our class was very strict with us. 这学期开始，我们的班主任老师对我们要求非常严格。

以及 At the first session of the First National People's congress of the People's Republic of China. 在中华人民共和国第一次全国人民代表大会第一次会议上. 常用的 at 短语有: at first 首先，开始时 at least 至少 at all events 无论如何 at home 在家，无拘束 at one stroke 一下子 at a loss 不知怎办 at any rate 不管怎样 at length 详细地

be at high tide 处于高潮期 at our invitation 应我们的邀请

at intervals of 每隔 at liberty 有权，随意 at the sight of 一见到 at the point of 接近，靠近 at the thought of 一想到 at the speed of 以……速度 at the cost (price) of 以……为代价 at leisure 闲着、失业 at the disposal of 任凭……使用 at stake 在危险中、在成败关头 at bottom 实际上、本质上 at short notice 一得到通知 at seeing us 看到我们 at the happy tidings 听到喜讯 at sixteen 在16岁时 at the present stage 在现阶段 at the weekend 周末 at all times 永远

at 405 Victory Road 在胜利路405号