hairpins

In default of tools, she used a hairpin and a buttonhook.

因没有工具，她使用支发针及钮钩。

Kennings was really moving when he made contact with a tyre at the hairpin and flipped over.

坎宁斯在转Ｕ字弯时过轮胎擦地翻车。

RNA hairpins that contained nA and sU were able to hybridize to DNA probes under conditions where the unmodified hairpins did not.

RNA的发夹载NA够杂交，以DNA探针条件下，在未修改的发夹没有。