beams

任何长度远大于厚度、准备使用的木材或铁材。

Any large piece of timber or iron long in proportion to its thickness, and prepared for use.

沿窄束传播的信号,用于在黑暗或恶劣天气下引导飞行员

a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather

建筑物中主要水平结构构件之一,通常为钢、木材或混凝土。

One of the principal horizontal structural members, usually of steel, timber, or concrete, of a building.

建筑中使用的长而厚的木材、金属或混凝土等构件

long thick piece of wood or metal or concrete, etc., used in construction

船体横向构件之一,用于铺设甲板并支撑船侧形状；木船中用肘材固定,钢船中用纵桁固定；参见abeam, beam-ends。

One of the transverse members of a ship's frame on which the decks are laid, and acting as part of the support for keeping the sides of the vessel in shape — supported at the sides by knees in wooden ships and by stringers in steel ones; cf. abeam, beam-ends.

一组近乎平行的电磁辐射线

a group of nearly parallel lines of electromagnetic radiation

船舶的最大宽度(注:船宽15英尺也可说成15英尺的正横方向)。

The maximum width of a vessel (note that a vessel with a beam of 15 foot can also be said to be 15 foot abeam).

垂直于船舶首尾线的方向。

The direction across a vessel, perpendicular to fore-and-aft.

锚的直杆部分。

The straight part or shank of an anchor.

机械天平上的横梁,两端悬挂秤盘。

The crossbar of a mechanical balance, from the ends of which the scales are suspended.

蒸汽机中绕中心轴摆动的重型铁杆,一端连接活塞杆,另一端连接曲轴。

In steam engines, a heavy iron lever having an oscillating motion on a central axis, one end of which is connected with the piston rod from which it receives motion, and the other with the crank of the wheel shaft.

犁的中梁,连接手柄和犁刀,末端系拉犁的牛或马。

The central bar of a plow, to which the handles and colter are secured, and to the end of which are attached the oxen or horses that draw it.

从太阳或其他发光体发出的近似平行光线束。

A ray or collection of approximately parallel rays emitted from the sun or other luminous body.

织机上的木轴,用于绕经纱和卷布。

A cylinder of wood, making part of a loom, on which weavers wind the warp before weaving and the cylinder on which the cloth is rolled, as it is woven.

光线；微光。

A ray; a gleam.

连接两个或多个音符的横线,用于分组并指示节拍值。

A horizontal bar which connects the stems of two or more notes to group them and to indicate metric value.

用于廉价建造铁路高架部分的矩形土堆。

An elevated rectangular dirt pile used to cheaply build an elevated portion of a railway.

平衡木。

A balance beam.

灿烂的笑容。

A broad smile.