Just one worm infects the whole world?只要一条虫子,就可以传染整个世界?Bacteriophage ( phage ) A virus that infects bacteria.噬菌体 :感染细菌的病毒.That's very in bad taste and infects our life too.非常的俗气也影响了我们的生活.A nematode worm ( Syngamus t...
Serpents cast their skin once a year.蛇每年蜕一次皮.In the sea two huge serpents were swimming.两条大蛇在海里游动.In cool weather, serpents do not tempt; they grow diffident, recede and hibernate.在凉爽的天气里, 蛇是不会出来引诱人的, 它会胆怯 、 退避,还要冬眠....
There is a concern about replenish-ment of the population.有人担心人口的补充问题。I'm not sure if the argu-ment holds up, but it's stimulating.我不能肯定该论点是否经得起检验，但它很有新意。Will the President be able to hold to this commit-ment?总...