X-factor
[医][=hemin]x因子，氯化高铁血红素
🧩 词语组成解析
factor
['fæktə]
n. 因素;<数>因子;代理人;
vt. 把…因素包括进去;[数学]分解…的因子，将…分解成因子;以代理商（或管家等）的身份行事，做代理商（或管家）;
vi. 做代理商（或管家）;
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
Jeff was not pleased with his school grades.
杰夫不满意自己在学校的成绩。
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。