Unthreaded hole
[化] 光孔
🧩 词语组成解析
没有螺纹的
hole
[hol]
n. 洞，孔;洞穴，穴;缺陷;<口>绝境;
vt.& vi. （在…上）打洞或穿孔;
vi. 凿洞;（高尔夫球等）进洞;
🗣️ 情景例句
Oh, five or six years ago.
哦，五六年前。
You were wise to keep away from him.
你避开他是明智之举。
What's your favorite steps?
你最喜欢跳什么舞？