He had learned to mix all sorts of drinks and serve them frosty and cold in good glasses.

他已学会调制各种饮料，并用好玻璃杯盛着冰凉的饮料供应客人。

youdao

He had learned to mix all sorts of drinks and serve them frosty and cold in good glasses.

他已学会调制各种饮料，并用好玻璃杯盛着冰凉的饮料供应客人。

youdao