Alligatoridae
n. 短吻鳄科；鼍科；[脊椎] 钝吻鳄科
🗣️ 情景例句
It's about the size of the United States, but it has a population of only 16.5 million.
它和美国一般大，但人口却只有一千六百五十万。
Never put off till tomorrow what you can do today.
今天能做的事绝不要拖到明天。
Together we repeated and repeated words and sentences.
我们一道反反复复地说词语和句子。