Tertullian
n. 德尔图良（人名）
🗣️ 情景例句
About Mom and Dad.
爸爸和妈妈。
In the United States ,there are many factories for making cloth.
在美国，有许多造布的工厂 。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。