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在毕业的日子，身为学生的你是否对学校的一切依依不舍？同学、老师，还有学校的一草一木突然变得如此珍贵—因为大家很快就要踏上不同的......

Sea levels have risen faster in the last century than at any other time in nearly 3，000 years， according to a new study. T......

Bulgaria - In Bulgaria， people don’t hide their eggs - they have egg fights！ Whoever comes out of the game with an unbrok......

such as与for example均可用于表示举例，有时可互换。如：　　Some sports， such as （=for example） motor racing， can be dangerous. 有......