Demarcates
v. 定…的界线, 区分( demarcate的第三人称单数 )
🗣️ 情景例句
Normally I go to bed at about ten o'clock.
通常我在 10:00 睡觉。
Took you long enough!
你现在才来！
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触