Weld(ing) defect
[化] 焊接缺陷
🧩 词语组成解析
🗣️ 情景例句
He's on the phone.
他在电话上。
Where were you yesterday afternoon?
你昨天下午在哪儿？
If the feeding place was away from the sun, the straight part of the wagging dance pointed downward.
如果喂食地点向着太阳，跳舞的蜜蜂在跳摇摆舞时直线部分就一直向上。