Back weld
[化] 封底焊道
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
weld
[wɛld]
vt.& vi. 焊接;使紧密结合;
n. 焊接点;黄色植物染料;
🗣️ 情景例句
If it sounds like an interesting place to visit, that's because it is.
如果它听起来像是个有趣的地方，那是因为它的确是这样。
Millions of thanks to you all, and don't forget to finish your dinner before it get cold.
十分感谢大家，大家快趁热吃吧。
Sometimes they eat it in the park or on the road. This take-away food is very popular.
有时他们在公园里或路上食用。这种方便食品颇受欢迎。