Observation hole
[机] 观察孔
🧩 词语组成解析
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
And don't ever forget it.
永远别忘记这一点。
No such thing.
没这回事！
but on the third night, a storm blew up.
但第三天晚上起了风暴。