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
Uh, it must mean something.
噢 ，这很有意思。
In university, students are trained to become lawyers and dentists.
大学的学生被训练成为律师和牙医。
Not at all! Please sit down, Mr. Green. Would you like a cup of tea?
没关系！请坐，格林先生。你喝茶吗？