Penetration bead
[化] 熔透焊道
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
bead
[bid]
n. 有孔小珠，念珠;水珠，露珠;珠子项链;
vt. 用小珠装饰;使成串珠状;
vi. 形成珠状;起泡;
🗣️ 情景例句
I hope you don't mind
希望你不介意
What do you do in your spare time?
闲暇时，你干些什么？
The child learning to see, first distinguishes only two-dimensional shape;
正在学看东西的儿童起初只会分辨二维形态，