Weld mark
[化] 焊接痕; 焊接痕印
🧩 词语组成解析
weld
[wɛld]
vt.& vi. 焊接;使紧密结合;
n. 焊接点;黄色植物染料;
mark
[mɑːk]
n. 斑点;记号;成绩;标准;
vt. 作记号;表示;给…打分;在…留下痕迹;
vi. 评分;注意;（比赛中）记分;
mark(mark)→符号；分数；标签；计分；做记号；加标签；使显著
🗣️ 情景例句
I love doing it.
我爱这样做。
Gold will not buy anything.
黄金不能买尽一切。
First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一点，脑电图记录仪（不过是一种把电极接到头皮上记录脑电活动的仪器）显示，人在睡眠时大脑活动的方式有变化，