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
Many students are working at part time jobs.
许多学生兼职打工。
You should take advantage of it.
你应该好好利用这个机会。
Yes, there must be over two hundred here.
是呀，这儿一定有200多张。