lightening
🇬🇧/lightening/ 🇺🇸/ˈlaɪtnɪŋ/
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the sensation, experienced by many women late in pregnancy when the head of the fetus enters the pelvis, making it easier to breathe 胎儿下降感;
verb [vt. 及物动词] 减轻（lighten的ing形式）；发光
The second thing is that this is still not lightening fast. 第二，发光的速度还不是很快。
noun [抽象名词] 孕腹轻松
This can be a lightening rod for sacroiliac pain. 它是骶髂疼痛的避雷针。
