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
Neither.
都不是。
Are most of the lakes located in the north central region?
大多数湖位于向北中央的区域吗？
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。