Casting lug
[机] 凸出块, 突耳
🧩 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;
lug
[lʌg]
vt. 用力拖拉;
n. 手柄;（英）耳朵;突出部;<俚>笨家伙;
🗣️ 情景例句
Fine, thank you.
很好， 谢谢你 。
I'm really sorry about it.
我真是非常抱歉。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。