Estops
塞信( estop的第三人称单数 )；遮住；禁止反言
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
Necessity and oportunity may make a coward valient.
需要和机会可能使懦夫变成勇士。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。