1.
Preparation of Hydroxyapatite(HAp)-Shell Sand De? uorinating Agent by Process of Metasomatic Crystallization
交代结晶法制备羟基磷灰石/贝壳砂除氟剂
2.
powder-filled enclosure (Ex q)
充砂外壳(Ex q）
3.
Betty sells shells on the back of a red shell.
贝蒂在红色贝壳的背面上卖贝壳。
4.
White shell beads used as wampum.
白色贝壳串珠用作贝壳串珠的白色贝壳小珠
5.
shellfish with a hinged double shell,eg a mussel or clam
双壳贝类（如贻贝或蛤）
6.
How Does the Sound of the Ocean Get Inside a Seashell?
到贝壳里“听海”？
7.
The shells she sells are seashells, I'm sure.
我确定她卖的贝壳是海贝壳。
8.
Having or forming a shell.
有贝壳的有或形成贝壳的
9.
Wampum was made of seashells.
贝壳串珠是用海贝壳制作的。
10.
Shells can be found everywhere on the beach.
海滩上的贝壳俯拾皆是。
11.
and the roof was made of shells.
屋顶则是贝壳打造的。
12.
For if she sells seashells on the seashore,
因为她在海边卖贝壳，
13.
cook(eg oysters)in a scallop-shell
在扇贝壳里烤制（如牡蛎）.
14.
The lobster is a shellfish.
龙虾是水生贝壳动物。
15.
Look at this beautiful shell.
看看这个漂亮的贝壳。
16.
My eyes lighted on a beautiful shell.
我偶然看到美丽的贝壳。
17.
The seashore was covered with shells.
海滩上到处是贝壳。
18.
catch fish or shellfish.
捕捉鱼或贝壳类动物。