Polytef
[化] 聚四氟乙烯
??? 情景例句
you had some doubts about wanting to go to Michigan.
你對(duì)上Michigan大學(xué)有些疑慮。
It falls on the last day of the lunar year and lasts until the Lantern Festival.
克節(jié)從陰歷年的最后一天開始一直持續(xù)到元宵節(jié)。
Mentally, at least, most of us could compile formidable lists of 'dos' and 'don'ts'.
至少在大多數(shù)人的心里會(huì)編排出一份“應(yīng)做什么”和“不應(yīng)做什么”的令人生畏的單子。