化学: chemistry, chemical...
限: to limit, to restrict, (bound form) limit, bound...
兢兢业业: (idiom) conscientious, assiduous...
酥: flaky pastry, crunchy, limp, soft, silky...
颇: rather, quite, considerably, oblique, inclined, slanting...
缩: to withdraw, to pull back, to contract, to shrink, to reduce, abbreviation, also pr....
手脚: hand and foot, movement of limbs, action, trick, step in a procedure (CL:)...
地名: place name, toponym...
椭圆: oval, ellipse, elliptic...
周到: thoughtful, considerate, attentive, thorough, also pr....
