1.allow to 允许

Allow to freeze solid for 3-4 hours or overnight.
允许冻结3-4小时或隔夜固体。

Apply solution to the tube and allow to become tacky.
在内胎上涂抹胶水并让它发粘。

2.derive from 来源于

That includes the stem cells themselves, which derive from "ur" stem cells found in embryos.
而干细胞则是来自胚胎中的“ur”干细胞。

One answer is the indirect benefit that investors derive from addressing the economic risks of global warming.
答案之一是间接的好处，投资者从处理全球变暖的经济风险中得到好处。

3.turn into 变成,成为

Could all of this really turn into a full-fledged crisis?
所有这一切真的会变成一场完全的危机？

Could 2010 turn into 1994 or 2004 for the markets?
2010年的市场会变成1994或2004年的市场吗？

4.possible to 可能的

It isn't possible to verify his allegations.
他的这些说法是不可能核实的。

It is still possible to eat tofu in long-established restaurants in kyoto.
现在你依然可以在京都历史悠久的餐馆里吃豆腐。