The scientists placed a brass plate-brass is a copper alloy-at the bottom of a fish tank.
科学家在鱼缸的底部放了一块黄铜板(黄铜是一种铜合金).
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Pretty soon everyone in the office had a tadpole in their El-Fish tank.
很快办公室里所有的人在他们各自的 El -Fish素材库里都有了一条蝌蚪.
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This is a small 7 litre quarantine tank keeping a clown fish and bicolor angelfish.
这7公升小隔离检疫缸养了小丑鱼和石美人神仙.
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