Complete penetration
[化] 焊透
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
the bank needs to be sure
银行需要确定
Experience is a school from which one can never graduate.
经验无止境。
He picked up what seemed to be the smallest bottle and discreetly asked the price.
他挑出一个看上去最小的瓶子，谨慎地问了价。