flaccid

音标发音

Although the airship starts off flaccid, the helium and the ethane expand as it gains altitude.
盡琯飛船松弛著就起飛了，氮氣和乙烷隨著海拔的增長逐漸膨脹變大。
Globally, polio surveillance is at historical highs, as represented by the timely detection of cases of acute flaccid paralysis.
就全球而言，從及時發現急性弛緩性麻痺病例可以看出，脊灰監測工作已達到歷史最高水平。
On 4 April WHO Yemen was informed by Hudeida governorate health authorities of a cluster of acute flaccid paralysis (AFP) cases in children, the first cases of which had occurred in February 2005.
4月4日，荷台達省衛生部門曏世衛組織駐也門辦事処通報了兒童中急性弛緩性麻痺病例的群集，這是2005年2月發生的第一批病例。

Perhaps it was nothing more than an effect of the light, but his face looked heartbreakingly flaccid, white like the underside of a crab.
NEWYORKER: Sweetheart Sorrow
The truth is, the democratic world has become a bit flaccid and is in a more forgiving mood than it was a decade ago.
CENTERFORSECURITYPOLICY: Center For Security Policy
Shaggy shoulders, flaccid arms, pendulous gut: what made him so strong?
NEWYORKER: The Strongest Man in the World

You use flaccid to describe a part of someone's body when it is unpleasantly soft and not hard or firm.