1.allow to 允許

Allow to freeze solid for 3-4 hours or overnight.
允許凍結3-4小時或隔夜固體。

Apply solution to the tube and allow to become tacky.
在內胎上涂抹膠水并讓它發粘。

2.derive from 來源于

That includes the stem cells themselves, which derive from "ur" stem cells found in embryos.
而干細胞則是來自胚胎中的“ur”干細胞。

One answer is the indirect benefit that investors derive from addressing the economic risks of global warming.
答案之一是間接的好處，投資者從處理全球變暖的經濟風險中得到好處。

3.turn into 變成,成為

Could all of this really turn into a full-fledged crisis?
所有這一切真的會變成一場完全的危機？

Could 2010 turn into 1994 or 2004 for the markets?
2010年的市場會變成1994或2004年的市場嗎？

4.possible to 可能的

It isn't possible to verify his allegations.
他的這些說法是不可能核實的。

It is still possible to eat tofu in long-established restaurants in kyoto.
現在你依然可以在京都歷史悠久的餐館里吃豆腐。