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- The black spots on the upper leaf surface are caused by a type of fungi. 叶子上表面的黑色叶斑是由一种真菌引起的。
- The larvae were concentrated on the lower leaves, secondly the middle leaves and rarely on the upper leaves. 南美斑潜蝇幼虫在其作物植株上的分布主要集中在下部叶片,其次是中部叶片,上部叶片数量较少;
- The upper leaves become yellow, starting at the base, and growth is restricted;compare with normal plant shown on the leaf (cv.Annette Hegg). 生长受到限制.;幼叶黄化;最后几乎白化
- The density of glandular trichomes differed obviously between 6 burley tobacco varieties.The trichome density on the upper leaves was higher than that on the middle leaves. 不同品种间腺毛密度差异明显，不同部位腺毛密度表现为上部叶＞中部叶。
- Guang-Ping Hu onions green onions at the bottom of depression in the false stem, the upper leaves were tubular, hollow, dark green, cutting-edge of a small curved olecranon. 广平大葱底端葱胡凹陷在假茎内，上部叶呈管状，中空、深绿，尖端有一鹰嘴小弯。
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- I'd like a room on the upper level. 我想要楼上的房间。
- It was suggested that the usability of some Chinese tobacco leaves with high nicotine content, especially the upper leaves, would probably be improved by adequately treated with these microbes. 目前国产烟叶普遍存在烟碱含量偏高的问题,尤其是上部烟叶烟碱含量过高而难以较多用于叶组配方中,因此在工业上研究利用微生物对烟草进行降解烟碱处理具有实际应用价值。
- My hometown is in the upper reaches of the river. 我的家乡在这条河的上游地区。
- The volatile components in the upper leaves (B2F), cutters (C2F) and lower leaves (X2F) of Yunyan 85 and K326 were analyzed with SDE and GC/MS, and these tobacco leaves were panel tested. 采用同时蒸馏萃取和GC/MS法分析了云烟85和K326上部(B2F)、中部(C2F)和下部(X2F)烟叶的挥发性成分,并对这些烟叶进行了评吸。
- He locked his diary in the upper drawer. 他把日记锁在上层抽屉里。
- A canine tooth of the upper jaw. 上颚犬齿上颚的一个犬齿
- He had an infection in the upper respiratory tract. 他上呼吸道感染。
- The Senate is the upper chamber of Congress. 参议院是议会的上院。
- The lower part of the pipe is separable from the upper part. 管子的下部可与上部分开。
- All the upper ten thousand were present at the prince's ball. 所有上流社会人士都参加了亲王的舞会。
- Axil the upper angle between leaf and stem. 叶在茎上的着生处称为叶腋。
- Flowers few, solitary in upper leaf axils. 在上面叶腋里很少，孤独的花。
- Our team gained/had the upper hand in the second half. 我们队在下半场占了上风。
- Passengers may smoke only on the upper deck of the bus. 乘客只可以在公共汽车的上层吸烟。
