Concave filiet weld
[机] 凹面堆角熔接
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
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
We want to keep customers happy.
我们必须让顾客满意。
When Anna crushed the herbs, the air smelled sweet.
当安娜把香草压碎时，空气里飘荡着甜香。
Mum, I don't feel very well.
妈妈，我感到不舒服。