这个新的笔记本电脑像羽毛一样轻。
他们的帐篷虽然像羽毛一样轻，但是很坚固。
我头下面的石头飘浮到空中，像一根羽毛一样轻。
The rock beneath my head floated up in the air, as light as a feather.
鸽子背的高科技污染检测器像羽毛一样又小又轻。
The high-tech backpacks they wear to monitor pollution are tiny and light as a feather.
鸽子背的高科技污染检测器像羽毛一样又小又轻。
The high-tech backpacks they wear to monitor pollution are tiny and light as a feather.
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