如果使用得当，避孕套是很有效的避孕手段。Condoms are an effective method of birth control if used with care.服务项目包括避孕建议和健康检查，并且免费提供。The service covers contraceptive advice and health checks, and is available free.服用避孕药是最有效的避孕方法。The pill is th...
The magnetic leakage factors of two types of claw - pole alternators were computed - dimensional - D finite element ( FE ) method.用三维有限元方法计算一台 电励磁 爪极发电机和一台新型混合励磁爪极发电机漏磁系数.After Fe - Chelate fertilization rinse the leafs ...
后世的人们当然是赞同霍桑的评价的.Posterity , of course, has endorsed Hawthorne's judgement.《剪灯新话》达到了较高的艺术水平, 也为后世的艺术创作提供了很好的创作模式与素材.After comparing and summarizing, the writer puts forward her own view points.这位哲学家展望将来后世的需求.The phi...
他即席创作了一首足球队胜利之歌.He improvised a song about the football team's victory.她的自白简直等于一篇即席说明.Her confession was simply tantamount to a casual explanation.她即席做了这些评价.She had made these remarks offhandedly....