She used the whole senior class to help the lower school clean up the playground on Earth Day.
她曾在地球清洁日组织整个高年级班级帮助低年级打扫操场。
Celebrate Earth Day by planting succulents! These colorful treasures require very little care and will reward you with the perfect gift of clean air in a crowded city.
通过种植肉质植物庆祝世界地球日！这些丰富有趣的珍宝，不需要许多照顾，但回报给你的是这个拥挤城市中清新的空气这一份完美的礼物。
One day, humans leave Earth because it is very polluted and there is too much rubbish to clean up.
一天，人类离开地球，因为它是很受污染并没有太多的垃圾清理。
One day, humans leave Earth because it is very polluted and there is too much rubbish to clean up.
一天，人类离开地球，因为它是很受污染并没有太多的垃圾清理。
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