Tunnel casting ring
[机] 隧道铸铁圈
🧩 词语组成解析
casting
['kɑ:stiŋ]
n. 铸造，铸件;角色分配;投掷;[动]脱落物;
v. 扔掉(cast的现在分词);铸造;投掷;选派演员;
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
All window seats are sold out.
所有靠窗口的位子都卖光了。
Do they have children?
他们有孩子吗？
No wonder people say that computers are taking over the world.
难怪有人说电子计算机正渐渐接管世界。