贺卡: greeting card, congratulation card...
究竟: to go to the bottom of a matter, after all, when all is said and done, (in an interrogative sentence) finally, outcome, result...
脉搏: pulse (both medical and figurative)...
次: nth, number (of times), order, sequence, next, second(ary), (measure word)...
大: large, big, size...
严厉: severe, strict...
贵: expensive, noble, your (name), precious...
成为: to become, to turn into...
充满: full of, brimming with, very full, permeated...
二氧化碳: carbon dioxide CO2...
