4周搞定2000+托福核心词
academic = academ(学院) + ic(…的) = 学院的
acidic = acid(酸) + ic(…的) = 酸的
巨大的
gigantic
常考释义
Now extinct, moa were gigantic wingless birds that stood as much as 10 feet (3 meters) tall and weighed as much as 550 pounds (250 kilograms).
恐鸟是一种非常高大、没有翅膀的鸟，站立起来可以达到10英尺（3米）高，体重可以达到550磅（250千克），现在已经灭绝了。
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