Sealed bid
[经] 密封投标
🧩 词语组成解析
a. 未知的, 密封的\\n[法] 盖印的, 经盖章批准或证实的, 密封的
bid
[bid]
n. 出价，投标;努力争取;喊价;叫牌;
vt.& vi. 出价， 投标;
vt. 恳求;命令;说（问候话）;邀请，致敬;
vi. 投标;力求，企图得到或赢得某物;企图(for);
🗣️ 情景例句
What's the meaning of NATO?
NATO代表什么？
If it hadn't rained so hard yesterday, we would have played tennis.
如果昨天没下那么大的雨，我们就去打网球了。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。