Tridecapeptide
十三肽
🗣️ 情景例句
It's not easy,
实在不容易。
New York is famous for its tall buildings.
纽约以高楼大厦而闻名。
In the first instance, we would be looking for plant life, rather than 'little green men'.
首先我们要寻找植物，而不是那种“小绿人”。