Lactamine
丙氨酸
🗣️ 情景例句
The price includes mailing costs.
这价格包括邮寄费用。
It is convenient to know the language.
掌握这门语言会带来方便。
Can you see Gum Tree? It's only a small village.
你能找到它吗？它只是个小村庄。