Stepwise seal
[化] 台阶式密封
🧩 词语组成解析
a. 楼梯式的, 逐步的
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
What time would you like to receive the call?
您想何时叫您？
My son has outgrown these trousers.
我儿子已经长的穿不了这条裤子了。
My friend, Hugh, has always been fat, but things got so bad recently that he decided to go on a diet.
我的朋友休一直很胖，但是近来情况变得越发糟糕，以致他决定节食。