Retiolitidae
细网笔石科
🗣️ 情景例句
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
The morning sun never lasts a day.
好景不常。
They offered to pay $10 a pound for the biggest biscuit baked by a listener.
他们愿意以每磅10美元的价钱买下由听众烘制的最大的饼干。