形容詞 hydraulic:

1. moved or operated or effected by liquid (water or oil)
2. of or relating to the study of hydraulics

1. The government invests heavily in hydraulic project.
   政府在水利工程方面投以重資。
2. People came in flocks to see the new hydraulic power station beside the dam.
   人們成群結(jié)隊(duì)地來參觀水壩旁邊新建的水電站。
3. The building is made of hydraulic cement.
   大樓是用水硬水泥建造的。
4. The hydraulic lift is over there.
   液壓升降機(jī)在那兒。

hy.drau.lic

adj.（形容詞）
Of, involving, moved by, or operated by a fluid, especially water, under pressure.
水力的，水壓的：壓力下的液體（尤指的水）的、涉及到液體的、靠液體移動(dòng)或操作的
Able to set and harden under water, as Portland cement.
在水中變硬的：能在水下定型并變硬的，如波特蘭水泥
Of or relating to hydraulics.
水力學(xué)的：水力學(xué)的或與水力學(xué)有關(guān)的

來源：
Latin hydraulicus
拉丁語 hydraulicus
from Greek hudraulikos
源自 希臘語 hudraulikos
from hudraulis [water organ]
源自 hudraulis [ 水器]
hudro-, hudr- [hydro-]
hudro-, hudr- [前綴，表.水.]
aulos [pipe, flute]
aulos [管子]

【引伸】
hydrau.lically
adv.（副詞）