英語翻譯：

wave to and fro

相關(guān)詞條：

例句：

1. 有個氣球從空中飄過。
   A balloon floated across the sky.
2. 五星紅旗迎風飄揚。
   The five-star red flag is fluttering in the wind.
3. 旗幟在微風中飄揚。
   Banners fluttered in the breeze.
4. 跳傘者輕飄飄地降落到地上。
   The parachutist floated gently down to earth.
5. 旗子在風中飄揚。
   Flags are fluttering in the breeze.