A black mass close behind him stirred with a heavy grunting sound.

紧靠他背后有一团漆黑东西蠕动着.发出呼噜呼噜的声音.

辞典例句

She caught a glimpse of the black mass of the boat.

她看了一眼黑糊糊的船体.

辞典例句

The dispersed figures had come together on the sand and were a black mass that revolved.

四散的人影在沙滩上汇聚拢来,变成了旋转着的浓黑的一团.

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