He said Jackson used exercise balls and did training to strengthen his core body muscles.

他说，杰克逊训练时用到了训练球，而且做了许多训练来锻炼他核心部位的肌肉。

youdao

But panic is at its core irrational. Trying to counter panic with logic can be a futile exercise.

但是恐慌的核心就是非理性，任何试图以逻辑来对抗恐慌的努力都将徒劳无功。

youdao

Because of this synchronization, when using core JLS services, you must exercise care to avoid the problem of NHRT preemption by GC (see Lock contention between NHRTs and RT threads).

由于这种同步，在使用核心JLS服务时，必须谨慎执行以避免GC抢占NHRT的问题(参见NHRT和rt线程之间的锁争用)。

youdao

In theory, these days are the opportunity for the Commons to exercise its core responsibility to monitor the use of public money - in practice, they're debates on issues raised by select committee reports.

BBC: Week ahead

We came up with our Core Values as a staff exercise last year (we just tacked a few minutes onto our weekly marketing meetings over a period of about three months).

FORBES: What Is Your Core Values Playlist?

The stated purpose of this exercise is to construct a "bare-bones" Core List of proscribed items.

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