Using register for frequently-used variables: this tells the compiler that the register variable is going to be frequently used, so it should be allocated to a register with a very high priority.

使用关键字register修饰最经常使用的变量：告诉编译器这个变量将会被经常用到，要求编译器使用非常高的优先级将此变量分配到寄存器中。

youdao

Since you're only allowed a single Mothership, she's usually a very high-priority target for the enemy.

由于你只允许拥有一艘母舰，她经常是敌军攻击的首要目标。

youdao

This is a very high priority for this administration and we're going to pursue this vigorously in the coming months."

VOA: standard.2009.06.09

So we had of the group having a very high priority.

所以这个组织,有个很大的优势。

麻省理工公开课 - 媒体、教育、市场课程节选

For example, although dealing with health care is a very high priority for Democrats, it is far lower with Republicans.

CNN: Commentary: Big risk in health care reform plan

But this is a very high priority issue at the Pentagon.

NPR: Bush Speech Highlights the Challenge of the Iraqi Insurgency

U.S. officials want "to reassure all of the countries that the policies that the president pursues in Iraq have had and will continue to have regional stability and security as a very high priority, " Gates said.

NPR: Gates, Rice Meet with Arab Leaders in Egypt