The boys scraped out a hollow place for planting trees.

那些孩子挖了个坑准备栽树。

The stench of cordite and clouds of smoke hung over the hollow.

炸药恶臭和爆炸硝烟笼罩着山谷。”

Bamboo is a sort of hollow plant.

竹子是一种中空植物。

They hollowed out a tunnel through the mountain.

他们挖通了穿山隧道。

She looked old and thin with sunken cheeks and hollow eyes.

她看上去又老又瘦, 脸颊凹陷, 眼圈发黑。

The premelting hollow granular CC powder is an internationally advanced one used for CC at present. The paper describes the production process and the equipment selection for this powder.

预熔型空心颗粒保护渣是目前国际上用一种先进保护渣,介绍了此保护渣生产工艺以及设备选择。

The problems existed in extrusion process of two sorts large section hollow extrusion profilesare introduced. The concrete measure and extrusion consequence of the improved prothole die are given.

介绍了两种大断面空心型材在挤压过程中存在问题，阐述了改进挤压模具具体措和生产时挤压结果.

All products, such as KRB series for producing hollow jerrycan from 5ML-12L, KLB mainframe series from 20L-1000L and KAB special production line series, have received good public praise.

克虏伯是一家专业生产全自动中空吹塑机现代化造厂。造中空吹塑机可生产各种塑胶材质中空，如PE、PVC、PP等。自生产5ML-12L小型中空KRB系列至20L-1000L大型中空KLB系列，及KAB专用机生产线系列，皆有良好口碑。

Syconium (syconus) A composite inflorescence or fruit in which the small individual flowers are borne on the inside of a hollow receptacle, as in figs (Ficus).

隐头花序（隐头果）：植物花托膨大中空，内部着生小花，这样复合花序或果实即为隐头花序或隐头果。

A new fabrication method for hollow microneedle array is proposed with three times exposures in deep X-ray lithography of synchrotron radiation and the development procedure.

摘要提出了一种新空心微针阵列加工方法，利用三次同步辐射曝光和显影过程来加工微针。

I tapped the melon lightly, the way my mother does in the supermarket, listening for the hollow sound of the freshness: Pung, pung.

像母亲在市场挑瓜那样，我也在瓜上轻轻地敲了敲，听里面有没有空洞洞瓜熟声音。果然传来“砰砰”回声。

Thus a hollow appears on the surface of the nucleus.The precursor of chromatoid body gathered in the hollow and condensed into chromatoid body.

拟染色体前体物质集中该凹陷中，并聚焦成拟染色体。

Its Hard products is widely used as electric stove hearth sets in lab and wall,suspend ceiling brick,hollow brick,fire bulkhead muffle board,hot dozzle,nozzle etc.

硬质用作实验电炉全纤炉膛件及陶瓷窖用墙体、吊顶砖、孔砖、挡火隔焰板、保温帽、口、套等。

A new waterproof and thermal insulation paint made of materials such as elastic emulsion,hollow glass bead,diatomite,infrared reflection agent and amianthus is introduced.

利用弹性乳液、空心玻璃微珠、硅藻土、红外线反射剂、石棉绒等原料得一种新型防水保温涂料。

Currently, the products consist of toughened glass, interlayer glass, bulletproof glass, pickproof glass, fireproof glass, hollow glass and hot bending glass.

产有钢化玻璃，夹层玻璃，防弹防盗玻璃，防火玻璃，中空及热弯玻璃。

Flora's laugh hollowed her cheeks.

弗洛拉一笑，双颊就凹陷下去。

Woodpeckers inhabit hollow trees.

啄木鸟栖息在中空树中。

He gave a hollow laugh.

他发出低沉空洞笑声。

A water pipe is hollow.

水管是空心。

The rabbit tires and falls, landing inside the hollow trunk of a sycamore tree, where he is trapped.

兔子掉到了一棵无花果树空树干里，怎么挣扎也出不去。