Nitrogen supply unit
[化] 供氮設備
?? 詞語組成解析
supply
[s?'pla?]
vt. 供給;補充;彌補（缺陷、損失等）;向…提供（物資等）;
n. 供給物;儲備物質;糧食;
vi. 暫代他人職務;
sup在下面+ply重疊，折疊→重疊下去→供應[下去],補給
unit
['ju:nit]
n. 單位，單元;裝置;個體;[數(shù)]單位數(shù);
??? 情景例句
It's Malcolm Stewart!
他是Malcolm Stewart。
Better have something we can get our hands on rather than just spend all our time talking.
有些實際材料拿到手總比坐著閑聊強。
yet following her regular practice she had shut them before going out.
而她記得在出門買東西前，她按老規(guī)矩是把房門一一鎖上的。