Mainlaying cost
[化] 管道装设费用
🧩 词语组成解析
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
I have to think about it.
我得想一想。
How many passengers were on the train?
在火车上有多少旅客？
Plumtree-that's a small village not far from Sydney. What about you? You're from England, aren't you?
普拉姆特里--那是个离悉尼不远的小村庄。你呢？你是英国人，对吗？