多氯化聯苯在土壤中, 水中或空氣中都無法分解, 只會繼續累積.PCBs don't break down in soils, water or air, but carry on accumulating.建立了HPLC測定聯苯菊酯含量的方法.An HPLC method for the determination of bifenthrin emulsifiable concentrates was developed.介紹...
Mr Ashkenazy has informed us that he will be unable to honour his contract with Symphony Hall to perform the piano recital.阿什克納齊先生已通知我們，他將無法履行和交響音樂廳簽訂的鋼琴獨奏演出合同。...
Our feelings are interlinked.我們的感情是相通的.The interlinked occurrente of positiveanomalies of Au, Ag, W, ect. and negative anomalies of Ba, Sr, Na _ 2 O, ect.Au 、 Ag 、 W等組分的正異常和Ba 、 Sr 、 Na_2O等組分的負異常的套合產出是尋找金礦脈的地球化學標志.The qu...
The title is per-haps an allusion to AIDS.該題目可能暗指艾滋病。He made no allusion to his term being near.他一句也沒提到,他的期限已近在眉睫.Harry was hurt by an allusion to his failure.有人暗諷哈利的失敗,使他受到傷害....