Bead crack
[化] 焊缝裂纹
🧩 词语组成解析
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;
crack
[kræk]
vt. 破裂，打开;（使…）开裂;说（笑话）;开瓶;
vi. 断裂，折断;碎裂声，爆裂声;镜子破裂了;失去控制，衰退;
n. 裂缝;试图;缝隙;（可听到响声的）重击;
adj. 训练有素的;技艺高超的;优秀的;一流的;
🗣️ 情景例句
The bridge is about three hundred and eighty-five feet long.
桥长约三百八十五英尺。
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。