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。Light colours provide an effective backdrop for pictures or a mirror.浅色是挂放图画或镜子很有效果的衬托。Women are sometimes seen to be less effective ...
MFM is an effective method to study magnetic domains and research magnetic materials.本文利用磁力显微镜研究纳米尺度磁畴的检测方法.Spacers make your child's inhaler easier to use and more effective.储药罐可以简化孩子用药,因此更为有效.Recent studies sugges...
The film is spooled for use.胶卷己装好待用.The tin wire was spooled after it was used.焊丝用完后已卷绕起来了.There were only two rings of rope spooled on the drum.只有两圈绳子绕在卷轴上....
在2000年度批准的新药中有塞洛诺的Ovidrel,用于治疗女性不孕症.Among the new drugs approved in 2000 was Serono's Ovidrel for treatment of infertility in women.戒咽可改进自然生育力和不孕症治疗的成功率.Smoking cessation may improve natural fertility and success ra...