helpline的复数形式为：helplines...

使…处于适当位置...

heliocentric的音标：heliocentric的英式发音音标为：[ˌhi:liə'sentrɪk]heliocentric的美式发音音标为：[ˌhilio'sɛntrɪk]...

[电] 将太阳能转变为电能...

柔膜菌目...

双螯鱼虱科...

经期溃疡...

antihelix的复数形式为：antihelices...

cheliform的音标：cheliform的英式发音音标为：['ki:lɪfɔ:m]cheliform的美式发音音标为：['kiləˌfɔm]...

Heliolitidae的音标：...

I answered the phone and this voice went, "Hello? Is that Alison?"我拿起电话，就听到这个声音：“喂？是艾利森吗？”A moment later, Cohen picked up the phone. "Hello?"过了一会儿，科恩接起电话。“喂？”Hello Freddy, it's only me, Maxine.你好，弗蕾迪！是我，玛克辛。...

脑膜外皮瘤，外脑膜瘤...

n.脑膜瘤...

hellholes的音标：...

n.赤黄色...

It can help build a moral or ethical framework, and help oneself form an individual worldview.阅读还能帮助建立道德的或合乎道德的体制, 帮助人树立个人世界观....

heliogram的音标：heliogram的英式发音音标为：['hi:lɪəɡræm]heliogram的美式发音音标为：['hilɪrɡræm]...

endotheliomatosis的音标：endotheliomatosis的英式发音音标为：[endɒθi:l'ɪɒmətəʊsɪs]endotheliomatosis的美式发音音标为：[endɒθil'ɪɒmətoʊsɪs]...

Heterenchelyidae的音标：...

血管内皮瘤...

n.北美产大儿鱼，闹酒，月脸鲵...

epithelium的音标：epithelium的英式发音音标为：[ˌepɪ'θi:lɪəm]epithelium的美式发音音标为：[ˌepə'θilɪrm]...

arkshell的音标：arkshell的英式发音音标为：['ɑ:kʃel]arkshell的美式发音音标为：['ɑkʃel]...

n.海中软体动物的壳，贝壳...

日蝇科...

[医] 内皮溶素...

Helmeted firemen were dragging their hoses out of the lobby.头带钢盔的消防队员正在从旅社的门廊往外拖水龙皮带....

heliopause的音标：heliopause的英式发音音标为：[hi:'laɪɒpɔ:z]heliopause的美式发音音标为：[hi'laɪɒpɔz]...

锦鸡菌素，锦鸡菊素...

help的现在进行时为：helping...