Ultrahigh vacuum seal
[化] 超高真空密封
🧩 词语组成解析
a. 超高的,特高的
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
Please call me Mary. That's my first name.
请叫我玛丽吧，那是我的名字。
Little wealth, little care.
财少寡忧。
Dropping my suit, I dashed downstairs to tell George.
我扔下西服冲下楼去告诉乔治。