Ephemerida
n. [昆] 蜉蝣目（等于Ephemeroptera）
🗣️ 情景例句
Fine, Mr. Wrigley.
好的，威格雷先生。
Our product is competitive in the international market.
我们的产品在国际市场上具有竞争力。
Men in shirt sleeves stood outside their houses and glared at us.
只穿着衬衣的男人们站在屋子外面凶狠地盯着我们，