Polybase
[化] 多堿
??? 情景例句
Don't you forget.
你自己別忘了。
I'd appreciate it if you would turn out the lights.I'm sleepy.
如果你關燈我將感激你的.我困了。
wind, earth movements or tremors, and the gravitational pull of the moon and the sun.
風、地球的運動或震顫和月亮、太陽的引力。