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/ˈsændbɒks/
沙箱；沙坑；试验场
The 🔊 kids 🔊 were 🔊 playing 🔊 in 🔊 the sandbox 🔊 at 🔊 the park 🔊 .
孩子们在公园的沙坑里玩耍。
The kids were playing in the sandbox at the park.
