lagging

1.Why is this country lagging behind in the development of space technology?

这个国家为什么在航天技术的发展方面落在人家面?

2.We are lagging far behind our European competitors in using new technology.

我们在使用新技术方面远远落于我们的欧洲对手。

3.Abducens neurons in the lagging group but not those in the leading group were activated by antidromic stimulation of the contralateral oculomotor nucleus.

外展神经元的而不是引导被对侧动眼神经核的逆向刺激驱动。

4.The fact remains that we are still lagging behind the other classes in maths.

事实是我们在数学方面仍然比别的班落。