英汉解释

n. 紧密，坚固

同义词

n. compactness，constriction，meanness，stringency

反义词

n.   dispersion，distribution，looseness，play

参考例句

1. Seating load and tightness is dependent on back pressure.
阀座密封负载和紧密性与反压力相关。
2. Presents the management methods of air tightness and vacuum degree.
介绍了机组气密性管理和真空度管理的方法。
3. Yes. I have had chest tightness. But I really felt uncomfortable yesterday.
有，我以前就有感到胸闷过，但我昨天真的感觉很糟。

英英解释

n.
  1. a state occasioned by scarcity of money and a shortage of credit
  2. a tight feeling in some part of the body
  3. the spatial property of being crowded together
  4. extreme stinginess
  5. lack of movement or room for movement

网络释义

tightness
气密性; 紧密性; 密封度; 不透气性;
water tightness
水密性; 水密度,水密性; 水密性、不透水性; 水密件;
tightness of
紧密性;
steam tightness
汽密性;
smoke tightness
不透烟性;