everyone-can-use-english/1000-hours/sounds-of-american-english/3.2.10-tʃdʒ.md

3.2.10. tʃ/dʒ

ʃ/ʒ 发声时舌尖贴近但没有接触到龈脊的对应部位，tʃ/dʒ 则需要舌尖贴到那个部位。

When pronouncing ʃ/ʒ, the tip of your tongue should be close to, but not touching, the corresponding area of the alveolar ridge. For tʃ/dʒ, however, you need to touch that area with your tongue tip.

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为了让舌尖适应那个部位，不妨反复练习：

To get your tongue used to this position, it's a good idea to practice repeatedly:

• ʃ... tʃ... ʃ... tʃ... ʃ... tʃ... ʃ... tʃ... ʃ... tʃ...
• ʒ... dʒ... ʒ... dʒ... ʒ... dʒ... ʒ... dʒ... ʒ... dʒ...