Suddenly his arm straightened, and the harpoon was thrown;

忽然，他的胳膊使劲地一伸，鱼叉投了出去。

youdao

Gerald dropped his hand from her arm and straightened his shoulders.

杰拉尔德把他的手从她臂膀上放下来，挺了挺肩膀。

youdao

So, what does bad technique - pushing your head up with a straightened arm - feel like?

所以你觉得，直臂下压让你的头抬起，这个坏习惯如何呢？

youdao

And in 2004, biomechanics expert Professor Bruce Elliott ruled that Muralitharan's doosra, a ball which turns from leg to off, was illegal as he straightened his arm by 10 degrees.

BBC: Muralitharan - the record-breaker