There's less rounding of the lips in British English.

英式英语中嘴唇不用那么圆。

Harry said furiously, rounding on him.

哈利气急败坏地指责他。

They were rounding up the Death Eaters, you know.

你知道，他们当时在围捕食死徒。

When R is at the end of words, there's not much rounding in British or Americans.

当 R 在单词的末尾时，英国人或美国人的嘴巴都不会很圆。

When R is at the end of words, there's not much rounding in British or American.

当 R 出现在单词的末尾时，英美英语的嘴唇圆润程度都不高。

With regard to the structure, I felt that you ended rather abruptly, without rounding it off.

就结构而言，我觉得你结束的太突然了，完成度不够。

You might have some lip rounding as well.

你可能还会要带一些口型。

For his part, President Trump claimed again that the country is rounding the corner on the pandemic.

而特朗普总统则再次声称，该国在疫情问题上已接近尾声。

In this case, less lip rounding.

在这个音中，非重读时嘴唇不那么圆。

“My Head Boy badge has gone, ” said Percy, rounding on Harry.

“我的男生学生会主席徽章不见了。”珀西转身对哈利说。