誓师大会的英文：
a meeting to pledge mass effort
an oath-taking rally
launching ceremony

meeting是什么意思：
n. 会议，集会；会见；运动会
v. meet的现在分词

They boycotted the meeting.
他们拒绝参加那个会议。

Nice to meet you. Nice to meet you, too.
很高兴认识你。 我也很高兴认识你。

Nice to meet you. Nice to meet you, too.
很高兴认识你。 我也很高兴认识你。

pledge是什么意思：
n. 抵押；典当品；许诺；誓言；信物
v. 保证，发誓；用…抵押

The property was pledged as security for loans.
这地产被当作贷款的抵押。

He pledged to fulfil his trust.
他保证履行责任。

You must not pledge your own health
切不可把健康作孤注一掷

mass是什么意思：
n. 团，块，堆；大量；群众；大部分，主体
v. 集中，聚集
adj. 大众的；大规模的

a mass murderer
杀戮众多的人

stability of rock mass and soil mass surroundingunderground excavation
地下洞室围岩(土)稳定性

A mass or collection of material that is distinct from other masses.
和其它大多分开的一团和一堆物质。