For significant errors and updates, correct in context, with a note at the top or the bottom of the piece explaining what has been changed, and why.

对于重大的错误和更新，在上下文改正，在这页的上面或是底下说明改正的内容和原因。

youdao

He wanted famous artists to leave their fingerprints on the back of a canvas or on the bottom of a piece of sculpture.

他希望著名艺术家在画布的背面或雕塑作品底部留下指纹。

youdao

As soon as Ali Baba's wife was gone, Cassim's looked at the bottom of the measure, and was in inexpressible surprise to find a piece of gold sticking to it.

阿里巴巴的老婆一离开，凯新家的就检查这个称的底子，非常难以置信的惊讶发现一块金子粘在上面。

youdao

He examined fossilized remains in a piece of gypsum found on the bottom of the Mediterranean Sea.

VOA: special.2010.05.25

A piece of sod has grass on the top and soil on the bottom.

VOA: special.2009.07.07

On its back, two strips of soft-touch plastic break the back into segments: a removable bit up top that houses the 3.5mm headphone jack, a micro-SIM, a vacant microSD slot (the phone comes with 16GB of internal storage) and a fixed piece at the bottom, above which you'll find the Xperia logo.

ENGADGET: Sony Xperia Ion review: an Android handset with a split personality

The physics prize was also awarded for what is, at bottom, a piece of carbon chemistry.

ECONOMIST: The 2010 Nobel prizes

At the bottom of some piece of paper to sign and fill in and that goes back to the company concerned who in turn passes it on to my bank, who in turn sets up the direct debit arrangement.

BBC