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
The village was filled with people--the weather was so nice.
镇上挤满了人--因为天气好的缘故。
You can't always get what you want.
天不从人愿。
He owes his wealth to diligence and good luck.
他的财富是由于他的勤劳和幸运。