Oldtime
a. 从前的
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
She hesitated about what to do next.
他对下一步干什么拿不定主意。
Later it was found that there was a type of mosquito which acted as the carrier of this disease and passed it on to the rabbits.
后来又发现，有一种蚊子是传播这种疾病的媒介，能把此病传染给兔子。