1.
Of, containing, or resembling chalk.
白垩的白垩的、含白垩的或似白垩的
2.
cretaceous period [ system ]
【地质】白垩纪[系]
3.
armored herbivorous dinosaurs of the Cretaceous.
白垩纪的有甲食草恐龙。
4.
To treat(soil, for example)with chalk.
用白垩处理（如土壤）
5.
acid degradable chalk mud
可用酸降解的白垩泥浆
6.
Sedimentary Geology of Cretaceous in Southern Tibet, and the Upper Cretaceous Oceanic Redbeds;
藏南白垩系沉积地质与上白垩统海相红层
7.
A pure white grade of chalk that has been ground and washed for use in paints, ink, and putty.
白垩粉，白粉一种碾碎的并洗过的纯净白垩，用于油漆、墨水和油灰
8.
The results show that the Cretaceous strata located in Sancha-Sidianwas deposited in late Cretaceous. At least, it contains late Cretaceous strata.
结果表明这一带的白垩系地层沉积于晚白垩纪 ,或至少含有晚白垩纪的沉积。
9.
The Cretaceous is named after the large amounts of chalk (fossilized plankton) found in rocks of the period.
白垩纪以这个时代的地层主要为白垩沉积而得名。
10.
of or relating to the Cretaceous geologic era.
属于或关于地质上白垩纪的。
11.
From the view of stratigraphy, they all belong to the Cretaceous period.
从地层学上看，它们都属于白垩纪。
12.
a salt found in nature as chalk or calcite or limestone.
白垩、方解石或石灰石等天然的盐。
13.
To rub or cover with chalk, as the tip of a billiard cue.
擦抹粉块以白垩擦或覆盖，如弹子棒梢
14.
alkaline soils derived from chalk or limestone.
从白垩或者石灰石中得到的碱土。
15.
At this point, the chald cliffs shelve down to the beach.
在这里，白垩质的峭壁渐渐向海滩倾斜。
16.
chalk beer-wort yeast litmus milk
白垩、麦芽汁、酵母浸膏石蕊牛乳(培养基)
17.
residual chalk deposits,ie left after rocks have been eroded
残余白垩沉积（岩石经侵蚀后的）
18.
chalk laden HEC
加入白垩的羟乙基纤维素