🧩 词语组成解析
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
and we must prepare this room.
我们得收拾好房间。
He must needs go whom the devil drives.
势在必行。
Why not do a tomato experiment?
干吗不做西红柿实验呢？