Walnut oil
胡桃油（可用作油画颜料结合剂）
🧩 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
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
What day was yesterday?
昨天是星期几？
Did he telephone again last night?
他昨夜里又打电话了吗？