I would avail myself this opportunity to extent my warm welcome to you all.

愿借此机会向各位来宾表示热烈的欢迎。

youdao

I know this is your first time in China, so let me start by extending my warmest welcome to you and your colleagues.

听说你是第一次到中国来，我对你和你的同事们表示热烈欢迎。

youdao

Herr Schulmann cannot be here to welcome you and has asked me to deputize.

舒曼先生不能到此欢迎你，他让我做代表。

《柯林斯英汉双解大词典》

I'm Steve Ember. Today,Mary Tillotson and I welcome you to a group of islands that extends into the Atlantic Ocean from the southern state of Florida.

VOA: special.2010.03.22

So, if you want to go at 1:00, you're welcome to do so, but please arrange it with my assistants.

如果你想去上1点的课，也可以，但是一定要和我的助教安排一下。

麻省理工公开课 - 固态化学导论课程节选

I don't want you to just have you go from room to room with people saying, MIT welcome to MIT.

我不希望你们从一个房间到,另一个房间，都听到有人跟你们说，欢迎来到。

麻省理工公开课 - 固态化学导论课程节选

Nicole Mason, director of the Women of Color Policy Network at NYU. Welcome to you all.

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He's the political director of the Huffington Post UK. Mehdi, welcome to you.

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She joins us by phone from New York City, and welcome to you.

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