The wheel would need to withstand immense and constantly changing stresses as it rotated, so to make the structure more robust, the steel sections were bolted rather than welded together.

轮子旋转时需要承受巨大的和不断变化的压力，所以要使结构更坚固，钢的部分要用螺栓连接，而不是焊接在一起。

youdao

The World Health Organization says flu viruses are unpredictable and constantly changing.

世界卫生组织表示，甲型h1n 1流感病毒是不可预测的，并且在不断地变化。

youdao

True, he acknowledges, clouds are ephemeral, "magicked into being" by the atmosphere and constantly changing.

这话的确没错，平尼也承认浮云是大气制造的“魔法”，它们转瞬即逝而且不断变化。

youdao

Except what is out there. And what's out there is constantly changing."

VOA: special.2009.03.23

My body is constantly changing because the relationships between my arms and my head and so forth. My muscles are moving.

我的身体在不断改变,因为我的胳膊和脑袋的关系等等,我的肌肉在动。

耶鲁公开课 - 死亡课程节选

Being a very small part of that, and part of changing our scale from where we constantly see ourselves as the most important thing in the universe, to suddenly being just a tiny piece.

我们只是宇宙的渺小的一员，我们应当改变我们的观念,不应将自己看做是,宇宙中最重要的，我们只是微小的尘埃。

普林斯顿公开课 - 人性课程节选

In Milan, it's also important that the merchandise be presented in unexpected and constantly changing ways.

WSJ: Carla Sozzani, Ala?a Dresses, David Beckham and Curating a Courtyard of the Cool | Creating

Governments today, much like the private sector, are dynamic full of energy, moving faster, and constantly changing.

FORBES: Meeting The Business Challenges Of Government

American families face a confusing and constantly changing smorgasbord of savings options.

FORBES: Taxing Choices