半: half, semi-, incomplete, (after a number) and a half...
适用: to be applicable...
密封: to seal up...
仪式: ceremony...
状态: state of affairs, state, mode, situation...
善: good (virtuous), benevolent, well-disposed, good at sth, to improve or perfect...
领: neck, collar, to lead, to receive, classifier for clothes, mats, screens etc...
揣: to estimate, to guess, to figure, to surmise...
相比之下: by comparison...
推辞: to decline (an appointment, invitation etc)...