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Flowers solitary or in a corymb, rarely in a compound corymb or a panicle; bracts solitary, several, or absent.

很少，花单生或在一伞房花序复合的在一或者圆锥花序；苞片单生，数个，或无。

Inflorescence terminal, a raceme or solitary flower, very rarely an umbel or corymb; bracts leaflike.

花序顶生，总状花序或单生花，极少伞形花序或伞房花序；苞片叶状。

As I know to my cost, keeping track of data, moving it between different PCs and making sure I am working on the latest version of a file is rarely as straightforward as it should be.

我凭自己的经验知道，要在不同的个人电脑之间追踪并传送数据，确保自己正在处理的文件是最新版本，并不是一件容易的事。

It rarely matters to craftsmen, however, who are just happy to have a steady source of income.

而对于手艺人，这没有什么特别大的好处，只是，他也很高兴得到了稳定的收入来源。

Prior to this time, coaches and buggies had been hand-built in small numbers by specialized craftspeople who rarely duplicated any particular unit.

在这个时间之前，教练和四轮马车已经手工制作的小号码由专门的手工艺人很少重复任何特别股。

Margin of leaf blade crenate; petals triangular or triangular-ovate, apex obtuse, rarely acute.

叶片的边缘具圆齿；花瓣三角形的或三角状卵形，先端钝，很少锐尖。

Leaf blade ovate, elliptic, or linear, base broadly cuneate or attenuate, margin entire or rarely crenate.

叶片卵形，椭圆形，或线形，基部宽楔形或渐狭，边缘全缘或很少具圆齿。

Leaf blade margin crenate or repand, rarely subentire.

叶片边缘具圆齿或残波状，很少近全缘。

Leaves opposite to subopposite, rarely alternate, entire, crenate, or serrate, estipulate.

叶对生到近对生，很少互生，全缘，具圆齿，有锯齿的或，无托叶。

Wood creosote has been used as a disinfectant, a laxative, and a cough treatment, but is rarely used these ways today.

木焦油已被用作消毒剂，泻药，咳嗽治疗但很少使用这些方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。