Sun protection factor
[医]防日光系数
🧩 词语组成解析
sun
[sʌn]
n. 太阳，阳光;恒星;中心人物;
v. 晒太阳;
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
And have a good stay in the Big Apple.
祝您在纽约愉快。
Please be serious for a minute, this is very important.
请严肃点，这件事很重要。
Latham made another attempt a week later and got within half a mile of Dover, but he was unlucky again.
莱瑟姆一周以后也作了一次尝试，飞到离多佛不到半英里的地方。