Diphenylsemicarbazide
二苯氨基尿
🗣️ 情景例句
Probably a lot of advertising and bills.
大概是一大堆广告和帐单。
Please note that all our prices are quoted on CIF basis. This is our general practice, which we believe will be accepted by you.
请注意我方所报的都是CIF 价，这是我方一贯作法，希望你方能接受。
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，