您要查找的是不是：
- Be not a visit to Mr. George obligatory? 是不是必须我拜访乔治先生？
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Attendance at school is obligatory. 上学是强制性的。
- They plotted the new position of each vessel. 他们标明每艘船的新位置。
- The vessel was ruined by a submarine. 那艘船是被潜水艇毁坏的。
- The damaged vessel was listing badly. 受损坏的船倾斜得很厉害。
- First the surgeon performed the section of the blood vessel. 外科医生首先切开血管。
- A rim, as of a vessel, bell, or crater. 边容器、铃和坑的边缘
- It is obligatory upon us to protect the world from nuclear war. 保护世界免於核子战争是我们的义务。
- They transited the goods to another vessel. 他们将货物转运到另一条船上。
- Obligatory Vessel 义务船
- A line used in towing a vessel or vehicle. 拖绳用来拖船只或车辆的绳索
- A vessel used for boiling and evaporating liquids. 蒸发皿用来煮沸或蒸发液体的器皿
- Inflammation of a vessel of the body. 脉管炎身体的脉管感染
- Is this business trip obligatory? 这次出差是不是规定的？
- A drinking vessel filled to the brim. 干杯中的满杯已满到边沿的一大杯
- I think compulsory education is obligatory. 我认为义务教育制是必须履行的。
- A vessel for storing compressed gas. 气罐贮存压缩气体的容器
- Carrying down or away. Used of a duct or vessel. 传送的指通过导管或管道传送下来的或输送的
- Be it obligatory on us to help the poor? 我们有义务帮助穷人吗?
