We also recommend a full day optional excursion to the Upper Douro.我们还推荐去杜罗河上游的短途自选一日游。The course consists of ten core modules and five optional modules.这门课程包括十个必修单元和五个选修单元。Certain courses are compulsory, others are opti...
Optional extras include cooking tuition at a top restaurant...可选的额外项目包括在顶级餐厅学习厨艺。The goods are optional, but only one.这些物品是可以任选的, 但只能选一个。Elevation view of a tapered key with optional gib head.具有可选钩头的锥形键的正视图.The third col...
A methane molecule is composed of one carbon atom attached to four hydrogens.甲烷分子由1个碳原子与4个氢原子构成。Those that are aligned in the place are called equatorial hydrogens.那些在平面上定向的氢叫做平伏氢.Those that are aligned perpendicular to ...
对于很多加利福尼亚的印第安人而言，猫头鹰是圣物。The owl is sacred for many Californian Indian people.路德曾抨击腓特烈保存在维藤贝格的圣物.Luther had already criticized the relics which Frederick kept at Wittenberg.神鹰 、 橡树和橄榄是他们的神圣物.To both the eagle, the oak, an...