在每个单词中，划出主重音——更长更清楚的音节。

In each word, underline the syllable with primary stress-the syllable that is longer and clearer.

youdao

在每个单词中，划出主重音——更长更清楚的音节。

In each word, underline the syllable with primary stress-the syllable that is longer and clearer.

youdao