Pertungstate
过钨酸盐
🗣️ 情景例句
Robbie! Who is it? Robbie
是谁呀？
Kings and bears oft worry keepers.
国王和熊，常使守护人忧心忡忡。
There is no social problem it is more incumbent upon us to understand than this of the role of custom.
而没有任何一个社会问题比得上风俗的作用问题更要求我们对它理解。