Delphinidae
海豚科
🗣️ 情景例句
Well, then, perhaps we can get together another time.
也许我们可以另找时间聚一聚。
Mr. Jones is a renowned international authority on the problem of overpopulation in developing countries.
琼斯先生在发展中国家人口过剩问题方面是声誉卓著的国际权威。
I was angry because they were late.
我生气，因为他们迟了。