Ortho-nitrogen
[化] 正氮
?? 詞語組成解析
原; 直
??? 情景例句
A cookie can't hurt, though.
但一片小甜餅不要緊。
We had expected much lower prices.
我們希望報價再低一些。
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有時，保密竟達(dá)到了這樣的程度，即連研究工作的整個性質(zhì)都不準(zhǔn)提及。