Linear velocity
[化] 线速度
🧩 词语组成解析
🗣️ 情景例句
for opening their home to me.
为我敞开大门。
If the old dog barks, he gives counsel.
如果老狗叫，他是给忠告。
Please fill in the blanks when you are answering the test questions.
你考试时请把那些空填上。