obstinate adj. 执拗的，固执的；棘手的，难以去除的
兼容性 compatibility。
crack v. 破裂，裂开；崩溃，垮掉；砸开，砸碎；破译，解决；重击，猛击；（使）发出爆裂
报税 v. file taxes; declare taxes; report taxes; submit
挣 v. earn; struggle to get free; struggle to free on
吹笙 Blowing sheng
诘责 v. reprimand; rebuke; reproach; scold; criticize;
询价机制 inquiry mechanism。
actually adv. 实际上，事实上；（用于开始新话题）其实；竟然，居然
干燥剂 drier; drying agent; desiccant; desiccating agent
himation n. （古希腊人穿的）宽松长衫
氢 n. hydrogen。pref. hydro-。
to prep. 向，朝，往，对着（某方向或某处）；位于…方向；到，达（某处）；到，达
优哉游哉 idiom at ease; leisurely; carefree; unhurried; in
controversial adj. 有争议的，引发争论的