1 . BING
BIK 璧BING 丙BING 冰
2 . propylene
distinguishing propylene glycol from diethylene glycol by fluorescence spectrometry ., 熒光光譜法辨別丙二醇和二甘醇.
3 . PROPYL
PROPULSION 推進力, PROPYL 丙, PROPUP 支撐起
4 . C
Plan B , thirty thousand dollars and Plan C , twenty thousand dollars ., 計劃乙是三萬 , 而計劃丙是二萬.