Five minutes later, a small l boy came out of the first room and said, "When can we have our teacher back?"
五分钟以后,一个小男孩从第一间教室走进来,问道,“您什么时候能让我们的老师回去呢?”
Relative size of the inner planets of the solar system (from l-r) : Mercury, Venus, Earth, and Mars. New research supports the idea that Mars owes its small size to its relatively rapid formation.
太阳系内部行星的相对体积(拍自1 - r):水星、金星、地球和火星。
Toys appeal to small children l.
玩具对小孩具吸引力。
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