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
I'm not so young anymore.
我不再那么年轻了。
The price we offered is more favorable than the quotations you can get from our competitors, I'm afraid.
恐怕我方报价比您从我方竞争对手那儿得到的报价更优惠。
What shocked him most was that the men who carried him were black.
最使他感到惊奇的是，把他运走的人都是黑人。