1.US President-elect Joe Biden says "science will always be at the forefront" of his administration.
science 科学
Economics is an inexact science.
经济学是一门不精确的科学
。2.US President-elect Joe Biden says "science will always be at the forefront" of his administration.
forefront 最前线
They have been at the forefront of the campaign for political change.
他们一直处于政治变革运动的前沿
。