Lack of penetration
[化] 未焊透
🧩 词语组成解析
lack
[læk]
vt. 缺乏，缺少;需要的东西;
n. 缺乏，不足，没有;缺少的东西;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
Any discount, OK?
可以打个折扣吗？
With time and patience the leaf of the mulberry becomes satin.
只要功夫深，铁杵磨成针。
its movement would be recorded in ink upon its surface.
纸的表面就会用墨水记录下地板运动的情况。