Celestite is usually diagenetic but commonly forms very early in the history of the sediment.天青石一般是成岩期的,但通常是在沉积史的极早期形成的.Reduction - metathesis method for preparation of strontium carbonate from celestite is developed.提出还...
The house disappeared from sight as we rounded a corner...我们绕过街角就看不到那座房子了。The immediate security threat has disappeared.直接的安全威胁已不复存在了。As twilight drew on, the ferryboat went back to her accustomed business and the skiffs...
an egocentric person自私自利的人All this was contrasted with the egocentric, hedonist , carefree existence of the man - about - town.这一切, 又是对比与自我中心, 无忧无虑的存在人为约集镇.He was egocentric, a man of impulse who expected those around hi...
Thanks! Don't I look too ordinary to be an endorser?谢谢! 我的样子做代言人太平凡了 吧 ?It boasts of avoiding dysmenorrhea and it invites Harisu to be advertising endorser.它标榜能够防止痛经并邀请了河莉秀作为广告代言人.The right to demand payment from th...
English has hurt me a thousand times, but I still regard it as my first love.英语伤我千百遍，我待英语如初恋。As a group, today's old people are still relatively deprived.总的来说，当今的老年人依然相对贫困。The new system is still in the planning sta...