The mushroom is a speciality here.
蘑菇是这里的特色菜。
A I'm going to choose some different vegetables.
A 我要选几样蔬菜。
B Great. I really like vegetables here in Beijing.
B 好极了！我非常喜欢北京的蔬菜。
A Now the mushroom is a speciality here. Do you like mushrooms?
A 这个时候蘑菇是这里的特色菜。你喜欢蘑菇吗？
B Yes, I do. And I really like bamboo shoots.
B 是的，我喜欢。我还非常喜欢吃竹笋。
A Good! This dish here with bamboo shoots is another speciality.
A 好！带竹笋的菜是这里的另一特色菜。
B Can we also order some vegetable spring rolls?
B 我们还可以点一些蔬菜春卷吗？

Notes注释
1 At a restaurant, you may want to point out the specialities to a guest: For example, mushrooms and bamboo shoots: The mushroom is a speciality here. / The mushroom is a speciality here. / This dish, with bamboo shoots, is another speciality. / This dish, with bamboo shoots, is another speciality.
在餐馆里，你可能想给客人指出那里的特色菜：例如，蘑菇和竹笋：The mushroom is a speciality here. /蘑菇是这里的特色菜。/ This dish, with bamboo shoots, is another speciality. /带竹笋的菜是这里的另一特色菜。
2 To show your appreciation, you can say: I really like bamboo shoots. / I really like bamboo shoots.
要表示感谢，你可以说：I really like bamboo shoots. /我非常喜欢吃竹笋。

Key phrases and sentences
I'm going to choose some different vegetables.
Great. I really like vegetables here in Beijing.
Now the mushroom is a speciality here. Do you like mushrooms?
Yes, I do.
And I really like bamboo shoots.
Good! This dish here with bamboo shoots is another speciality.
Can we also order some vegetable spring rolls?

我要选几样蔬菜。
好极了！我非常喜欢北京的蔬菜。
这个时候蘑菇是这里的特色菜。你喜欢蘑菇吗？
是的，我喜欢。
我还非常喜欢吃竹笋。
好！带竹笋的菜是这里的另一特色菜。
我们还可以点一些蔬菜春卷吗？