Flipper? Maybe those frisky crowd - pleasers at the aquarium?鳍状肢? 或许是水族馆中那些活泼逗人的生物?I felt frisky, as if I might break into a dance.我感到很欢快, 似乎要跳起舞来.His horse was feeling frisky, and he had to hold the reins tightly.马儿欢蹦乱跳...
Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Isopropyl p - hydroxybenzoate was synthesized with toluene - p - sulfonic acid as catalyst.以对 甲苯 磺酸为催化剂合成了尼泊金异丙...
滑滑板时带护肘和护膝是必要的.Elbow pads and knee pads are essential on a skateboard.所有参赛者比赛时都必须佩带安全头盔及护膝、肘等可能必要的安全护具.It is mandatory that riders wear and approved safety helmet during racing.我要一副护腕和两副护膝.I want a pair of wrist protecto...