短語詞組短語language -focus 語言焦點Language focus Welcoming visitors 歡迎來訪者Language focus activities 語言重點活動;語言的重點活動Language Focus Topics 話題Grammar & Language Focus 語法和語言要點Language and Culture Focus 語言文化要點Language focus Invitations 邀請Language functions and focus 語言功能與重點Language Focus and Difficult Points 重點和難點 返回 language focus