Undulating mold joint
[机] 突起分模面
🧩 词语组成解析
v. 波动, 起伏, 呈波浪形( undulate的现在分词 ); 使波动, 使起伏, 使成波浪形; 波状
mold
[mold]
n. 模子;模式;类型;霉;
vt. 塑造;浇铸;用模子做;用泥土覆盖;
vi. 对…产生影响，形成;发霉;
joint
[dʒɔint]
adj. 共同的，联合的;共享的;两院的;连带的，共同的;
n. [解]关节;接合处;下流场所;一块烤肉（英式英语）;
vt. 结合，联合;为…装上接头，使…有接缝;
🗣️ 情景例句
I'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
Few words, many deeds.
少说话，多做事。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。