火药是由硫 、 碳和硝酸钾组成.Gunpowder is composed of sulfur, carbon, and potassium nitrate.氨对硝酸钾的选择分离结晶效果较好.And ammonia had effective selectivity for the separation of potassium nitrate.用氯化钾与硝酸铵为原料,采用复分解法生产农用硝酸钾与氯化铵.Agricultural pot...
Miserable, and unexpectedly lonely, she went in search of Jean-Paul.内心痛苦、突感寂寞的她去寻找琼－保罗。Our speed over the ground was a miserable 2.2 knots.我们在接近地面时的航速仅为2.2节。Sheila was looking miserable.希拉看上去愁眉苦脸的。...
a free-form jazz improvisation自由创作的爵士乐即兴演出...the contemporary crossover of pop, jazz and funk.当今流行音乐、爵士乐和乡土爵士乐的融合There have been different kinds of jazz music, the blues , ragtime, swing boogiewoogie and others.爵士音乐有各种不同...
He's used to hopping the ball between his hand and ground for several times before serving the ball.在发球前，他习惯于把球往地上拍几下。The monkey is hopping on the trees.这只猴子在树上跳着.The clubs in town are really hopping.城里的俱乐部真够热闹的。I&#...
Confirmation can be obtained by detecting extensive necrosis through careful digital palpation.通过仔细的手指触诊,能从检查出的广泛坏死而获得确诊.An estimate of intraocular pressure can be obtained by palpation of the globe through the lids.眼压可以...