英汉词典

at first 基本解释

释义

起初，当初；

英英释义

at first

adv.at the beginning

同义词：initiallyab initioat the start

at first 相关例句

双语例句

1. What were your first impressions of Beijing?
   你对北京的最初印象如何？
2. Speech is learnt in the first years of life.
   说话是人在一生中最初几年学会的。
3. The compass was first used in sailing.
   罗盘首先用在航海上。
4. I must finish my homework first.
   我必须首先做完家庭作业。

权威例句

Age at first birth and breast cancer
Age at First Alcohol Use: A Risk Factor for the Development of Alcohol Disorders
When at first you don't succeed: sequential strategies for antidepressant nonresponders.
Origins and Consequences of Age at First Drink. II. Familial Risk and Heritability
MPF from starfish oocytes at first meiotic metaphase is a heterodimer containing one molecule of cdc2 and one molecule of cyclin B.
Adenoma characteristics at first colonoscopy as predictors of adenoma recurrence and characteristics at follow-up. The Polyp Prevent...
Multicenter phase II trial of temozolomide in patients with glioblastoma multiforme at first relapse
Origins and Consequences of Age at First Drink. I. Associations With Substance‐Use Disorders, Disinhibitory Behavior and Psychopath...
A phase II study of temozolomide vs. procarbazine in patients with glioblastoma multiforme at first relapse.
Multicenter phase II trial of temozolomide in patients with anaplastic astrocytoma or anaplastic oligoastrocytoma at first relapse...