Litt.d.
文学博士
🗣️ 情景例句
We haven't had any more news from the frontier, so we'll just have to be patiend.
我们还没得到来自前方的进一步消息，所以我们只有耐心等待。
How did you decide that product was safe?
你怎样决定产品是安全的呢？
so vast is the number of planets,
但是行星的数目是那么庞大，