Oil seal(ring)
[化] 油封圈
🧩 词语组成解析
oil
[ɔɪl]
n. 油;石油;油画;燃油;
vt. 给…加油;
vi. 化成油;
🗣️ 情景例句
He's asleep.
他睡着了。
Friendship cannot stand always on one side.
来而不往非礼也。
Dad, this bag is too big. We can't carry it.
爸爸，这个包太重了，我搬不动。