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
What was your best subject in college?
大学时你哪门功课最好？
That work will take three hours.
完成那项工作需要三小时。
We enjoy reading about them, especially when we find that, like the praying mantis, they lead perfectly horrible lives.
我们喜欢看有关昆虫的书，尤其是当我们了解螳螂等过着一种令人生畏的生活时，就更加爱读有关昆虫的书了。