Basoid
碱性胶体, 碱胶基
🗣️ 情景例句
I am, Mom.
我确实感到骄傲， 妈妈。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
Oh! Do you have to?
噢！必须收拾吗？