An example of negative eugenics would be the attempt to eradicate a harmful recessive gene.消极优生学的范例是试图破坏一种对人体有害的隐性基因.These insects are very difficult to eradicate.这些昆虫很难根除.It'set out to eradicate heresy, and ended b...
They are already battling to eradicate illnesses such as malaria and tetanus.他们已经在努力消灭疟疾、破伤风等疾病。These insects are very difficult to eradicate.这些昆虫很难根除.It'set out to eradicate heresy, and ended by perpetuating it.它的目...
姑妈却提出不赞同的意见。A dissenting opinion came from the aunt .一种会意的赞同的光彩闪现在他的眼睛里.An intelligible gleam of assent twinkled in his eye.响起一阵表示赞同的耳语声.There was a murmur of assent....
所有娱乐领域都日益粗俗化。Crudeness is on the rise in all fields of entertainment.她说话声音很小，但是用了些特别粗俗的字眼儿。She spoke in a quiet voice but used remarkably coarse expressions.他对那些人很有看法，看不起他们粗俗的举止。He was critical of the people, disparaging...
There was a faint smile on his face , a foxy smile.侦探露出点狡猾的笑意.He recovered from a faint.他从昏厥中苏醒过来。He became aware of the soft, faint sounds of water dripping.他开始注意到轻微的水滴声。Faint praise is disparagement.敷衍勉强的恭维等于轻蔑.Don...
The Doberman let out a string of roaring barks.短毛猎犬一阵狂吠。Salesmen of unofficial souvenirs have also been doing a roaring trade.出售非官方纪念品的推销员的生意也很红火。He could hear a sudden roaring. His blood froze.他听到突如其来的一声吼叫，吓得魂不附体。...
孢于在生殖过程中形成类脂膜.Spores form a lipid membrane during the process of reproducing.图11概括了链孢霉的生活史.The life cycle of Neurospora is shown in Fig 1.1.孢囊孢子是产生于专门结构内.Sporangiospores are produced within a specialized structure....
A gale was blowing and the sea was choppy.狂风大作，海面上波浪起伏。The sea began getting choppy.大海开始变得波涛起伏.The choppy waves made handling the boats a tricky operation that day.那天在滔滔的波浪里驾驶小舟着实费了一番手脚....