Her wing and tail design allow her to fly in any direction.憑翅膀和尾巴的設(shè)計(jì)，它能飛向四面八方

allow主要用作及物動(dòng)詞,可用于被動(dòng)結(jié)構(gòu),作“允許進(jìn)入”解時(shí)其后可直接接表示方向的副詞或介詞,作“允許做某事”解時(shí)其后可直接接賓語,也可接雙賓語,其間接賓語可轉(zhuǎn)化為介詞to的賓語,還可接以動(dòng)詞不定式(短語)作補(bǔ)足語的復(fù)合賓語。

The road is too narrow to allow the passage of gondola.

這條街太窄，大型貨車不能通過。

My boss doesn't allow me to use the telephone.

老板不許我使用電話。

he's weighed down with two super-long tail feathers,tipped with cumbersome discs.它被兩根超長(zhǎng)的尾羽拖累，尾羽末梢是笨重的圓盤

weigh down使 ... 負(fù)重?fù)?dān)； 使疲憊不堪； 使沉重

A ball of lead will weigh down an equal bulk of feathers.

一個(gè)鉛球要比同樣大小的羽毛團(tuán)重。

Jane weighed down her repertory with these plays.

簡(jiǎn)加上這幾出戲，使她的演出劇目得到了加強(qiáng)。

tip with 以 ... 為尖端

That thin red line tipped with steel.

那根細(xì)細(xì)的紅線末端裝有鋼頭。

but to win her heart he's got to go up a gear.但要贏得雌鳥的心，它非加把勁不可

go up上升，提高

A ragged shout went up from the small crowd.

這一小群人發(fā)出了刺耳的喊叫。