sand：沙
例句：Sift gold from sand. 沙里掏金。
pail：桶
例句：He kicked over the pail through carelessness. 他不小心把桶踢翻了。
shovel：铁铲
例句：He jammed his shovel into the sandy soil. 他使劲把铲子插进沙土。
shell：动物的壳
例句：The snail retreated into its shell. 蜗牛缩进壳里去了。
sand castle：沙堡
2025公考·省考培训课程试听预约报名