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- He came to look at the drainage. 他是来检查排水设备的。
- The drainage system has been aged. 排水系统已经老化了。
- pinnate drainage 羽状水系
- The drainage of the town is not good, some of the pipes are broken. 城里的排水系统不好,有些水管断裂了。
- A polyp with a pinnate form;pinnate leaves. 羽状珊瑚；羽状叶
- We must dig a drainage ditch to run off the water. 我们得挖一条排水渠把水排掉。
- The town's drainage is very efficient. 这城市的排水系统很好。
- A drainage passage, as to a culvert. 排水沟排水通道，如阴沟
- Is there adequate drainage where needed? 需要排水的地方其排能是否足够?
- Pancreatic abscess obviously requires drainage. 胰腺脓肿显然需要引流。
- The area has good natural drainage. 这个地区有良好的天然排水系统。
- The 1st frond of a young sporophyte has a midrib and is pinnate. 幼孢子体的第一片叶子羽状具中肋。
- The bricks were bedded in sand to improve drainage. 沙里埋入砖块，以改进排水系统。
- Relating to a pinnate leaf with two pairs of leaflets. 具二对小叶的，二对的与两对嫩叶的羽状叶有关的
- Acid Drainage Killing Some Fish in Ky. 河流遭酸性排放,鱼和昆虫死亡。
- Leaves ternate with simple ,ternate or pinnate leaflets . 单叶，二回三出复叶。
- Both uses tend to improve drainage. 两者对排水都有改进作用。
- Upper leaves smaller, sessile, pinnate, pinnae lanceolate. 上部叶片小，无梗，羽状，羽片。
- The defect in the drainage must be remedied. 这排水系统的缺陷该设法补救。
- The leaves are usually compound and pinnate, with stipules. 叶子通常为具托叶的羽状复叶。
