🧩 词语组成解析
sierra
[[si'erə]]
n. 呈齿状起伏的山脉
plum
[plʌm]
n. 李子，李树;李属植物;葡萄干;紫红色;
adj. 紫红色的;称心如意的（工作或职位）;
🗣️ 情景例句
What do you think of this place?
你觉得这个地方怎么样？
I can't move.
我走不动了。
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一样快。