Alkality
碱性
🗣️ 情景例句
Lacks maturity.
不成熟。
We have a small gift for you to take with you when you leave the factory.
你离开工厂时，我们有件小礼物要送给你。
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨头则雕琢成针和工具，牙齿用来作项链。