A sedimentary rock consisting predominantly of apatite and other phosphates.磷灰岩,磷钙土主要由''.'磷灰石'. ''和其它磷酸盐组成的沉积岩.Components of the stones included whewellite, weddelite, carbonated - apatite ,...
The two airlines will cooperate on ticketing and schedules.两家航空公司将在票务和航班安排上展开合作。The two groups agreed to cooperate with each other.这两个组同意相互协作。Workers'leaders have expressed their willingness to cooperate.工人领袖们表达了合作的...
A plug had been inserted in the drill hole.钻孔已塞上了塞子。Make sure the draining board, sink and plug hole are regularly disinfected.滴水板、水槽和塞孔一定要定期消毒。The banks have the power to pull the plug on the project.银行有能力让该工程终止。...