Identity period
[化] 等同周期
?? 詞語組成解析
identity
[ai'dentiti]
n. 身份;[邏]同一性;個(gè)性;[數(shù)]恒等（式）;
period
['p?r??d]
n. 時(shí)期;（一段）時(shí)間;學(xué)時(shí);句號(hào);
adj. 具有某個(gè)時(shí)代特征的;（關(guān)于）過去某一特定歷史時(shí)期的;（家具、服飾、建筑等）某一時(shí)代的;
peri周圍，靠近+od道路→周期
??? 情景例句
Could you knead the dough for me?
你能幫我揉面嗎？
Don't climb a tree to look for fish.
勿緣木求魚。
To be honest with you，I'm twenty.
老實(shí)說，我20歲。