Reference angle
[計] 參考角, 基準角
?? 詞語組成解析
angle
['??ɡl]
n. 角;[比喻]（考慮、問題的）角度;觀點;輪廓鮮明的突出體;
vt. 使形成（或彎成）角度;把…放置成一角度;調整（或對準）…的角度;使（新聞、報道等）帶有傾向性;
vi. 垂釣;斜移;彎曲成一角度;從（某角度）報道;
angl 角落,彎曲
??? 情景例句
Stretch up...and we're going to go left first ...
伸展……先向左……
Better a little fire to warm us, than a great one to burn us.
適量的火好取暖，熊熊烈火能焚身。
When she caught up with them, she saw that they had sat down and were going through the contents of the bag,
當她趕上他們時，發現他們已經坐了下來，正翻著包里的東西。