bath bomb
US /bæθ bɑːm/
UK /bæθ bɑːm/

1.
浴弹, 泡澡球
a ball of ingredients that fizzes and dissolves when dropped into bathwater, releasing fragrances, colors, and essential oils
:
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She relaxed in the tub with a lavender bath bomb.
她用薰衣草浴弹在浴缸里放松。
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The kids love watching the bath bomb fizz.
孩子们喜欢看浴弹冒泡。