bulb 四级GRE考研

the bulb of a syringe.

注射器的圆形部分

the bulb of an electric lamp

电灯

a light-bulb socket.

灯插座

The bulb has gone.

电灯坏。

The bulb of the eye is important for us.

眼球对于我们来说非常重要。

fluorescent bulbs for street lighting.

街道照明用的荧光灯。

the light bulb needs replacing.

电灯需要更换。

an onion bulb; a tulip bulb.

洋葱球；郁金香球根

We'll have to change the bulb again.

我们又得换个灯。

Get the bulbs into the ground, or they will begin to shrivel.

鳞茎种到地里，否则会开始干枯的。

the bulbs are planted in threes or fives.

三三五五地种下鳞茎。

The onions bulbed poorly in this cold wet season.

洋葱在这个冷湿季节中鳞茎长得很不好。

the average life of the new bulb is rated at approximately 500 hours.

这种新灯的平均寿命估算为大约500小时。

The grow progress of bulb is divided to 5 stages: probulb idiophase, probulb enlargement stage, primarybulb idiophase, bulb weight fast gain stage and bulb plenum stage.

地下鳞茎由原生鳞茎和侧生鳞茎两部分组成，其生长发育可划分为5个阶段：原生鳞茎分化期、原生鳞茎膨大期、侧生鳞茎形成期、鳞茎快速膨大期、鳞茎充实期。

There was a startled look on his face when the flash bulb went off.

闪光灯灭时，他脸上一副惊愕的表情。

Dehiscence of the floor of the hypotympanum with protrusion of the jugular bulb into the middle ear cavity is a rare otological finding.

摘要颈静脉球经下鼓室底部骨层裂隙膨入中耳腔，是一种罕见的中耳腔血管异常。

The bulbs were over. All that remained of them were clumps of brown leaves.

这些鳞茎死，剩下的只是一丛丛的黃叶子。

The bulk of the ruby rubbish on the pebble bubbles when stirred by bulbed rubber club.

当被球茎的橡胶俱乐部搅拌的时候,大部分在卵石上红宝石垃圾起.

The assemblies are a direct replacement for older style incandescent bulbs, fitting into the roundel ring as a replacement for the existing roundel, reflector and bracket.

这些组件可直接替换样式陈旧的白炽灯，适合于圆玻璃环，可替换现有圆玻璃、反射器和煤气灯。

The Cryophorus consists of a glass tube with a bulb on each end containing water and water vapor.

此冰晶体形成器是一细长玻璃管两端并各有一玻璃球,球里有水和水蒸气。