Yes, but I'm sorry the flight is delayed because of a minor mechanical problem.
是的,但是很抱歉,因为轻微的机械故障,航班延误了。
The plane appeared to have crashed because of a mechanical problem.
这架飞机似乎是由于机械故障而坠毁的。
In order to solve this mechanical problem, they work hard and hatch a genius plan.
为了解决这个机械问题,他们辛苦工作,制定出了这个天才计划。
It's - a suture or a stitch has to hold the wound closed so it has to have certain mechanical strength and imagine the problem of making something that's dissolvable so it disappears but also is strong enough to hold a wound closed reliably for a length of time.
能够拉紧切口的缝合线,就必须具有一定的机械张力,大家想像一下制造这种缝合线的难度,身体组织不仅要能吸收这种缝合线,而且这种线必须有足够的张力,一定时间内能够拉紧切口
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