This battery booster is a boon for photographers.这种电池充电器是摄影工作者的好帮手。He was tall, dark and handsome, like a Mills and Boon hero.他个头高大、皮肤黝黑、相貌堂堂，像通俗爱情小说的男主角。A car is a real boon when you live in the country.在郊外居住,有辆汽车确实极为方便...
It is for this reason that television proves such a boon to so many people...就是因为这个原因，电视才会给这么多人带来如此大的便利。It is for this reason that television proves such a boon to so many people.就是因为这个原因，电视才会给这么多人带来如此大的便利。Handles are a ...
她想尖叫，但她的声带好像不听使唤了。She wanted to scream, but her vocal cords seemed paralysed.他把大门咣当一声带上了。He pulled the gates to with a clang.他砰的一声带上了大门。He slammed the gate shut behind him....
Helium is a very light gas.氦是一种非常轻的气体。A synthetic element produced in trace quantities by helium isotope bombardment of curium.锎一种合成元素,由氦同位素轰击锔可得到微量的这种元素.helium balloons for the children’s party儿童聚会用的氦气球Helium is a gas u...
研究了蜜胺磷酸盐和聚磷酸铵的互配(作用).Reciprocal preparations of melamine phosphate and ammonium polyphosphate were studied.直到现在, 治疗晚期昏睡病患者时都用硫肿蜜胺药物.UnitllUntil now, the drug melarsoprol was used to treat patients in the advanced sleepin...
This kind of fanaticism is a species of political insanity.这种狂热与极端实质上是一种政治变态.At the murder trial, he pleaded insanity.在凶杀案的审理过程中，他以精神失常为由进行抗辩。...the final financial insanity of the 1980s.20 世纪 80 年代最后的财政疯狂It was a period...