词汇	Tetra polymer
释义	Tetra polymer 四元共聚物
随便看	the less…the more Thelestam thelestrin the letter THE LETTER A The letter alludes to something now forgotten the letter and handkerchief The letter bears the seal of the king The letter bore a postmark of March 8 The letter bore a postmark of March 8,1983 The letter bore his signature the letter came collect The letter cheered him up the lettered words The letter enclosed a check The letter ended on a cheerful note the letter feedback system The Letter from Far Place The Letter From My Wife The letter had many blots and blurs The letter has been written by Wang Lin The letter inclined her to set off at once The lettering has disappeared The letter is keyed to a tone of sarcasm The letter is on six sheets of foolscap