Trigdatum
三角测量基准; 三角测量数据
🗣️ 情景例句
I have a heavy class load this term.
这个学期我的功课很重。
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
On his return to India he had the chance to travel to South Africa to work on a law case.
一回到印度，他就得到一个去南非办理一桩法律案件的机会。