The grade and quality of standard material is important in the course of certifying standard solution.标准溶液定值过程中,标准物质的等级和质量是确保标准溶液化学计量准确的关键.Interestingly, it is not clear which solution the prime minister favors.耐人寻味的是,现在...
We should keep abreast with the present state of science.我们应当赶上现代科学的发展.It is important to keep abreast with housing legislation.了解最新的住房法规很重要.Q: Fernando, how difficult was it for you to keep abreast with what was going o...
Smoke from the burning house enveloped the whole street.燃烧着的房子冒出的浓烟笼罩了整条街.She was enveloped in a huge white towel.她裹在一条白色大毛巾里。Seeds enveloped by red succulent aril.种子有红色肉质假种皮.Her cheap, cloying scent enveloped him...她那廉价...
Breathe out and ease your knees in toward your chest.呼气，膝部放松向胸部靠拢。Place your hands on the small of your back and breathe in.双手置于腰部，吸气。Hold your breath for a count of five, then slowly breathe out.屏住气息数五下，然后慢慢地呼气。...