Incomplete root penetration
[化] 根部未焊透
🧩 词语组成解析
root
[rut]
n. 根，根源;原因，本质;祖先;[乐]和弦基音;
vt. 使生根;使固定;根源在于;欢呼，喝彩;
vi. 生根;根除;
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
It would be very nice.
那当然是很好。
My grandma is 40 years older than me.
我祖母比我大40岁。
He then changed into overalls and spent the next eight hours as a dustman.
然后换上工作服，当8个小时清洁工。