?wag的中文翻譯是“搖擺”，指動物或人物尾巴或身體的來回搖動。它也可以用作名詞，表示這種動作。

wag的用法：

1. My dog wags its tail when it's happy.

（當我的狗開心時，它會搖尾巴。）

2. The cat wags its tail back and forth while watching the bird.

（那只貓在看鳥的時候，會來回搖尾巴。）

3. The horse wags its head to get rid of the flies.

（那匹馬搖頭甩腳以驅(qū)趕蒼蠅。）

wag的例句：

1. The little girl giggled as she watched the puppy wag its tail.

（小女孩看著小狗搖著尾巴咯咯笑。）

2. The old man sat on the porch, watching the world go by, with his faithful dog wagging its tail beside him.

（老人坐在門廊上，看著世界慢慢流逝，他忠實的狗在他身邊不停地搖尾巴。）

3. Whenever I come home, my cat greets me by wagging its tail and purring.

（每次我回家，我的貓都會用搖尾巴和呼嚕聲來迎接我。）

4. The horse was so excited to see its owner that it started to wag its whole body in joy.

（那匹馬見到主人非常興奮，開始用整個身體來表達喜悅。）

5. The little boy tried to make his kite fly higher by waggling the string back and forth.

（小男孩想讓他的風箏飛得更高，于是不停地左右搖動繩子。）