A lion's mane jellyfish nestled in a kelp frond.一只狮鬃水母呆在一片海藻叶子中.You can get a nasty sting from a jellyfish.你可能会被水母狠狠地蜇一下.Jellyfish come in a variety of shapes, sizes and colors.海蜇有各种形状 、 大小和颜色.A jellyfish crop circl...
原油受到了自然产生的分解油类物质的微生物的侵蚀。The oil is attacked by naturally occurring microbes which break it down.防护手套可以减少皮肤对化学物质的吸收。Protective gloves reduce the absorption of chemicals through the skin.pH值测试可检测物质的酸碱度。A pH test measures t...