"But it cannot be," he spluttered.

“但那不可能，”他结结巴巴地说。

《柯林斯英汉双解大词典》

Real pearl is forming in there but it cannot be used in jewelry.

真正的珍珠是在其中形成的，但不能用它来制作珠宝。

youdao

Africa is our first priority, but it cannot be our only priority.

非洲持我们的首要事项，但并不是我们唯一的重点事项。

youdao

"America is changing, but it cannot be America alone that changes.

VOA: standard.2009.04.03

And just to give you a sense, if you do a cross-cut of this, you cannot show it from this angle, but it should really be sort of a dumbbell shape with the nodal plane in between the two nuclei.

告诉你们这些就是给你们点概念，假如你们把他横切切开，不能从角度上展示，但它还是会保留几分哑铃的形态,以及在两核之间的节面。

麻省理工公开课 - 固态化学导论课程节选

Harmony is indeed invisible in sense Number 1, you cannot see it with your eyes, but for all that, it can be destroyed.

和声用无形的第一种解读方式理解，确实是无形的，你看不见它，但是它可以毁灭。

耶鲁公开课 - 死亡课程节选

Some tax-exempt organisations are allowed to conduct political activities, but it cannot be their primary mission.

BBC: IRS 'sorry' conservative groups subjected to extra audit

It may be diligent, but it cannot be transparent, which is what people now want.

ECONOMIST: Tony Blair and Iraq

Class matters in politics - it can cut both ways, but it cannot be ignored.

BBC: UK