It is a multicultural flask-shaped structure made up of a narrow neck and a swollen base (venter) that contains the female gamete.
颈卵器状似长颈烧瓶，由一条细长的颈部和膨大的腹部（内含雌性配子）组成。
A vial or round long-necked vessel for laboratory use.
烧瓶实验用的一种小瓶或长颈容器
a conical flask with a wide base and narrow neck.
宽底、窄颈的锥形烧瓶。
culture flask (Kolle Roux), of glass
长颈玻璃培养瓶（科勒瓶、鲁氏瓶）
flask of glass for domestic use (excl. vacuum flasks and leather-covered flasks)
家用玻璃长颈瓶（不包括保温瓶和皮革包覆的长颈瓶）
flask of glass for laboratory use (e.g., distilling, culture, volumetric)
实验室用玻璃长颈瓶（例如蒸馏瓶、培养瓶、商量容量瓶）
plastic flask for the commercial conveyance or packing of goods
塑料长颈瓶,用于商业运输或包装货物
CHINESE ADMINISTRATIVE ECONOMY:THE BOTTLENECK OF THE INTEGRATION OF CHANGSHA-ZHUZHOU-XIANGTAN;
行政区经济——长株潭经济一体化的瓶颈
Population Bottleneck and its Countermeasures of Economic Integration of CHANG-ZHU-TAN;
长株潭经济一体化的人口瓶颈及对策
The organic layer in the neck of the flask is aspirated into the atomic absorption burner.
满至烧瓶颈部的有机层被抽吸进入原子吸收燃烧器中。
Simulation on the Neck Growth of the Non-Isometric Biosphere during Initial Sintering;
烧结初期非等径双球模型颈长的模拟
Once the cold water enters the flack, the vapor pressure falls quickly.
一旦冷水进入长颈瓶，水气压就迅速下降。
Countermeasures to Bottleneck Problems in the Growth of New Teachers;
解决青年教师成长过程中瓶颈问题的对策
Natural Resource and Economic Growth:Resource Bottleneck and its Solution;
自然资源与经济增长:资源瓶颈及其解决途径
Simple Analysis on Bottle-neck Effect of Electric Power Market Increasing for Inner Mongolia Power Grid;
浅析内蒙古电网电力市场增长点下的瓶颈效应
The "Bottleneck" of Human Capital Which Influences the Economic Growth in the West and the Countermeasures;
制约西部经济增长的人力资本“瓶颈”及对策
Eliminating Capital Bottleneck in West Exploition on the Basis of Financial Growth;
消除西部“资金瓶颈”:金融成长视角的分析
CHOKE POINTS AND COUNTERMEASURES RESEARCH FOR FORESTRY ECONOMIC GROWING MANNER OF GHINA;
我国林业经济增长方式的“瓶颈”制约与对策研究