Vivi : It must be the sashimi. They did not taste fresh enough.一定是那生鱼片, 他们尝起来不够新鲜!I tried both sushi and sashimi but I prefer sushi.寿司和生鱼片我都吃了,但是我更喜欢吃寿司.Daniel: I love sashimi. Did mom bring any soy sauce for that?丹尼尔: 我...
Oil - yielding organic matter is contained in the shales.在这些页岩里有产油的有机物质.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水.Sandstones are, as a rule , interbedded with shales.砂岩通常都与页岩互层.Alternating sandstones and...