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1·The direction of the wind is constantly changing.

风的方向在不断地变。《柯林斯英汉双解大词典》

2·It's hard to stay ahead of the game in network security when the landscape is constantly changing.

当形势不断变化时，在网络安全领域保持领先地位是困难的。

3·Agriculture proves very difficult to quantify because of the constantly changing conditions involved.

因为所涉及的条件不断变化，所以农业很难量化。

4·If it doesn't sound like too much of a cliché, our world is constantly changing, and it's changing quickly.

如果这听起来不太像陈词滥调的话，那么我们的世界一直在变化，而且变化很快。

5·My body is constantly changing, because of the relationships between my arms and my head. 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。我的肌肉在动。

6·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。

7·Fashion is constantly changing.

时尚总是日新月异。《牛津词典》

8·The objective world is constantly changing.

外面世界是瞬息万变的。《新英汉大辞典》

9·The speech sounds of all languages are gradually but constantly changing.

各种语言的语音总在不断变迁。《新英汉大辞典》

10·Are your projects constantly changing?

您的项目经常变更吗？