Constraining
v. 强迫( constrain的现在分词 ); 强使; 限制; 约束
🗣️ 情景例句
Thanks a lot.
多谢，多谢！
A friend to everybody is a friend to nobody.
广交友，无深交。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。