DNA filamentous fungi could be provided by the modified with benzyl chloride.本文采用改进的氯化苄法,得到的DNA质量好、产量高,可以直接用于后续的基因操作.Cotton candy is filamentous, but it is a granular crystal - sugar produced.棉花糖虽然是丝状的, 但是它是用一种颗粒状的晶体 -- ...
Condoms are an effective method of birth control if used with care.如果使用得当，避孕套是很有效的避孕手段。Although most condoms contain spermicide, there are some manufactured without.虽然多数避孕套含有杀精剂，但也有一些是不含的。Abstain from sex or use condoms....
She shook her head, determinedly.她很坚决地摇了摇头。Dorothy's chin set determinedly as she looked calmly at him.多萝西平静地看着他,下巴绷得紧紧的,看来是打定主意了.They had him surrounded and were determinedly snapping the breakers off.他们围住了他,非要关掉断路...