Oil(-retaining) ring
[化] 油环
🧩 词语组成解析
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
Uh, uh, it's 888 Grant Avenue. It's a block east of Washington Square.
嗯，哦，是Grant大道888号。华盛顿广场东边的一个街区。
Where were you on Tuesday?
星期二你在哪里？
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。