tight
⇒ 罐头封得很严密。
The tin is closed very tightly.
close
⇒ 人们严密关注着事态的发展。
People kept a close watch on how the situation was developing.
英语词典包含298861条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。