Dealkalization
[化] 脱碱作用
🗣️ 情景例句
I have to do what I can do to support him.
我就应该尽我的力量来支持他。
Please sign.
请你签字。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，