Pentacid
a. [化]五价的
🗣️ 情景例句
Where is your birthplace?
你出生在哪里？
Kings and bears oft worry keepers.
国王和熊，常使守护人忧心忡忡。
Don't you think we should add a sentence here like this?
难道你不觉得我们应该在这儿加上一句话？