at the onset是什么意思

at the onset是什么意思

at the onset单独用的情况不多，一般加of，固定搭配：at the onset of
at the onset of：在……刚一开始；在…开始的时候
例句：

At the onset of a project, nothing is known for sure.
在项目的开始，不能确定任何事。
At the onset of a development project, there is project uncertainty.
在开发项目的开始阶段，存在项目不确定性。
The site wide requirement for all personnel to wear Safety Spectacles will be re-introduced at the onset of Commissioning activities.
调试作业开始时将对所有配戴安全眼镜的人员介绍更加严格的要求。

还用于形容疾病的发生，开始。
如：
He went to see a doctor at the onset of a fever.
他开始发烧时便去看医生了。
Take them at the onset of cold or flu-like symptoms.
出现感冒或类似流感症状时就服用。
For instance,in humans, a significant increase in cytokine production has beenshown at the onset of diabetes (4, 5).
举例来说，在人类中，现已证明细胞因子的产生会在糖尿病（4,5）发病时显著增加。

at the onset 在发作 拼音 双语对照 双语例句 1 at the onset a sudden loss of consciousness, dropping and caused head injury. （3）发病时突发意识丧失、摔倒，致头部外伤。