Incomplete penetration
[化] 未焊透
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
They're both students of the performing arts.
他们两个都是的搞表演艺术的学生。
If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。
The big clock which used to strike the hours day and night was damaged many years ago and has been silent ever since.
教堂的钟很大，以前不分昼夜打点报时，但很多年前遭到毁坏，从此便无声无息了。