We can still extract oil from the tar sands of Canada.

我们仍可从加拿大含沙中提炼。

40.What should you periodically do for the air reservoir?

你应该定期对空气储罐做什么？我们应该排放含。

This reduces the overall oil content of the dish without compromising taste or texture.

这会降低菜肴整体含量， 而不会影响味道或质地。

Two of them, sunflower and sumpweed, were also high in oil (45–47 percent).

其中两种植物——向葵和甘草——含量也很高（45-47%）。

The same varieties of the cabbage do not yield abundant and nutritious foliage and a copious supply of oil-bearing seeds.

相同品种卷心菜不会产生丰富而有营养叶子和大量含种子。

It is a record of every operation concerning oil or oily water. It is an important oil pollution prevention document for recording oil operation.

它是关于或含污每一项操作记录。它是记录类操作重要防污染文件。

The toxin it produces, ricin, is a protein found in the castor bean, but the poison itself is made from the mash that's left over after grinding the beans into oil.

蓖麻毒素是一种蛋白质，存在该植物含种子内，可在榨后留下豆渣里加以提炼。

Certain sands containing oil in Venezuela and in Canada had such low yields that they were not even counted in the world's oil reserves until oil prices hit new highs in the early twenty-first century.

委内瑞拉和加拿大某些含沙子产量如此之低，以至于在二十一世纪初价创下新高之前，它们甚至没有被计入世界石储量。

Ancestral cabbage plants, possibly grown originally for their oily seeds, underwent even greater diversification as they became variously selected for leaves (modern cabbage and kale), stems (kohlrabi), buds (brussels sprouts), or flower shoots (cauliflower and broccoli).

古老卷心菜植物最初可能是为了获得含种子而种植，后来随着它们对叶子（现代卷心菜和羽衣甘蓝）、茎（大头菜）、芽（球芽甘蓝）或花芽（花椰菜和西兰花）不同选择，经历了更大多样化。