Preprimer
n. 学前儿童的识字书
🗣️ 情景例句
There just wasn't enough time.
实在是没有足够的时间。
In college I majored in physics, What was you major?
大学时我主修物理，你主修什么呢？
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，