Since she'd offered to babysit, I took her up on it.她既然主动提出帮助照看孩子，我也就同意了。You can take it in turns to babysit.你们可以轮流照看孩子。My friend asked me to babysit for her six-month-old son.我朋友请我临时看顾她6个月大的儿子。My friend asked me to...
Since she'd offered to babysit, I took her up on it.她既然主动提出帮助照看孩子，我也就同意了。My friend asked me to babysit for her six-month-old son.我朋友请我临时看顾她6个月大的儿子。You can take it in turns to babysit.你们可以轮流照看孩子。...
The mineral malachite contains the elements copper, hydrogen, carbon, and oxygen.矿物孔雀石包含的元素铜, 氢, 碳和氧.The main copper minerals are malachite, chrysocolla, little chalcopyrite, chalcosine and even little bornite and covell...