There is still great interest in boron as an essential plant nutrient.迄今硼作为植物的必要营养元素仍极其重要.Borax is the compound commonly applied to the soil to correct boron deficiency.硼砂是矫正土壤缺硼的常用硼化合物.Calmon has quoted ion exchange cos...
A thin cable carries the signal to a computer.一根细电缆将信号传送给一台计算机。The carrier wave has got out of phase with the signal wave.载波同信号波是异相的.Bloop [ to make the high - pitched sound of interference in a radio signal, ].bloop [ 在...
多项调查一致显示，男性认为天黑后在大街上行走是安全的。比如，参见欣德朗和加罗法洛（1978）。Surveys consistently find that men report feeling safe on the street after dark. See, for example, Hindelang and Garofalo (1978)....
The offenders lapsed into a sullen silence...那些冒犯者都闷不作声了。I was served by a sullen-faced youth.一个闷闷不乐的年轻人接待了我。Bob looked pale and sullen.鲍勃脸色苍白，闷闷不乐。He looked up at the sullen sky.他抬头看了一眼阴沉的天空。All my attempts to amuse the...
A plug had been inserted in the drill hole.钻孔已塞上了塞子。He crossed out "fellow subjects", and instead inserted "fellow citizens".他删掉fellowsubjects，插入替换词fellowcitizens。He inserted a cassette into the machine.他把一盒录像带放入机器....