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

我们仍可从加拿大含油沙中提炼。

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，该植物含油种子内，可榨油后留下豆渣里加以提炼。

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

相同品种卷心不会产生丰富而有营养叶子和大含油种子。

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

你应该定期对空气储罐做什么？我们应该排放含油水。

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

这会降低整体含油， 而不会影响味道或地。

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).

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

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

其中两种植物——向日葵和甘草——含油也很高（45-47%）。

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

它是关于油或含油污水每一项操作记录。它是记录油类操作重要防油污染文件。