求救: to seek help (when in distress or having difficulties)...
贺信: congratulatory letter or message...
过敏: oversensitive, allergic, allergy...
人为: artificial, man-made, having human cause or origin, human attempt or effort...
圆形: round, circular...
反感: to be disgusted with, to dislike, bad reaction, antipathy...
祭祀: to offer sacrifices to the gods or ancestors...
极: extremely, pole (geography, physics), utmost, top...
铸造: to cast (pour metal into a mold)...
难说: hard to tell (i.e. hard to judge or hard to predict), cannot bring oneself to say it...