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
You're the only one I can trun to.
你是我唯一能依赖的人。
The greatest talkers are always the least doers.
言语的巨人往往是行动的侏儒。
He made up his mind to once again ask for her hand in marriage.
他下决心再一次向他求婚。