🧩 词语组成解析
sierra
[[si'erə]]
n. 呈齿状起伏的山脉
[地名] [美国] 洛奇波尔
pine
[pain]
n. 松树;松木;凤梨，菠萝;
vi. 憔悴;痛苦;渴望;
vt. 为…悲哀;哀悼;消瘦;渴望，渴慕;
adj. 似松的;松木的;
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
We are used to working together.
我们习惯一起工作。
Just as Mrs.Richards was entering the dinning room, there was a knock on the front door.
理查兹夫人刚刚走进餐厅，前门就传来敲门声。