🧩 词语组成解析
镍铬低膨胀系数合金
n. 撒哈拉沙漠之人\\na. 撒哈拉沙漠的；不毛的
🗣️ 情景例句
Well keep in touch, ok?
保持联络，好吗？
When did you travel?
你什么时候旅行？
There was also a great deal of machinery on display.
参展的还有很多机器，