北美洲蝴蝶,兰黑色的翅膀上有一条宽白带.North American butterfly with blue - black wings crossed by a broad white band.上火会引起白带出血 吗 ?Can suffer excessive internal heat cause leucorrhoea to bleed?白带停止, 小腹下坠疼痛, 是怀孕的征兆么?Leucorrhea stop, abdomin...
She tugged at his sleeve to get his attention.她拽了拽他的袖子引起他的注意。A wry smile tugged at the corner of his mouth.他的嘴角带一丝苦笑.The sight of the poor child crying tugged at my heartstrings.看到那小孩啼哭,我真心疼....
They were dressed in camouflage and carried automatic rifles.他们身穿迷彩服，携带自动步枪。The white fur of the polar bear is a natural camouflage.北极熊身上的白色的浓密软毛是一种天然的伪装.They used branches of trees as camouflage.他们用树枝做伪装....
苏珊娜是从1956年开始修建这个花园的。It was 1956 when Susanna started the work on the garden.这些年来我对苏珊的感情发生了变化。My feelings towards Susan have changed over the years.苏珊心目中的自由就是拥有丰富多彩的生活。Susan's idea of freedom was to have variety in h...
偶极子在它的轴的方向上不发射能量.The dipole does not radiate energy in the direction of its axis.欲求的因子为图40那样的脉冲偶极子.The desired operator is the spike doublet of Figure 40.自然界中只能出现磁偶极子以及磁多极子的形式.Only magnetic dipole and higher multipole co...