如果你是非常油性的发质或者喜好用一些包含蜡的发胶，你就需要每两周使用一些清洁作用的洗发剂来清除残留物。

If you have very oily hair or favor a particularly sticky styling product that contains wax, it does pay to use a clarifying shampoo once every two weeks to wash away residue.

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在周中对阵巴塞尔的比赛中，后防神经质的溃败导致两场平局之后，阿列克斯·弗格森爵士很期望曼联能迎来一场完美的球赛。

After two consecutive draws and a surprisingly jittery defensive display against Basel in midweek, Sir Alex Ferguson will be expecting a marked performance from his side.

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用超薄切片和原生质体负染的方法，在电镜下观察到洋葱鳞茎内表皮细胞周质微管的存在。

Cortical microtubules were observed in intraepidermal cells of onion bulb with thin section and negative staining of protoplasts.

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