87 sentences — page 5 of 5

81. 这组数据的方差反映了它们的波动程度。

    zhè zǔ shù​jù de fāng​chā fǎn​yìng le tā​men de bō​dòng chéng​dù.

    The variance of this data set reflects the degree of their fluctuation.

    Source: Dong Chinese Dictionary

82. 你要把梨切得比苹果厚，因为它们熟得快。

    nǐ yào bǎ lí qiē de bǐ píng​guǒ hòu, yīn​wèi tā​men shú de kuài.

    You have to cut the pear thicker than the apple, because they cook faster.

    Source: OpenSubtitles

83. 鲸鱼虽然生活在海洋中，但它们是哺乳动物。

    jīng​yú suī​rán shēng​huó zài hǎi​yáng zhōng, dàn tā​men shì bǔ​rǔ​dòng​wù.

    Although whales live in the ocean, they are mammals.

    Source: Dong Chinese Dictionary

84. 如果没人照看这些植物，它们就只能自生自灭。

    rú​guǒ méi rén zhào​kàn zhè​xiē zhí​wù, tā​men jiù zhǐ néng zì​shēng​zì​miè.

    If no one looks after these plants, they will just have to sink or swim on their own.

    Source: Dong Chinese Dictionary

85. 老师说，番茄和番薯中的“番”字说明它们来自海外。

    lǎo​shī shuō, fān​qié hé fān​shǔ zhōng de“ fān” zì shuō​míng tā​men lái​zì hǎi​wài.

    The teacher said that the character 'fan' in the Chinese words for tomato and sweet potato indicates that they originated from overseas.

    Source: Dong Chinese Dictionary

86. 鲑鱼每年都会逆流而上回到它们出生的地方产卵。

    guī​yú měi nián dōu huì nì​liú'ér​shàng huí​dào tā​men chū​shēng de dì​fang chǎn​luǎn.

    Salmon swim upstream every year to return to their birthplace to spawn.

    Source: Dong Chinese Dictionary

87. 鸟类的气囊可以帮助它们在飞行时减轻体重并辅助呼吸。

    niǎo​lèi de qì​náng kě​yǐ bāng​zhù tā​men zài fēi​xíng shí jiǎn​qīng tǐ​zhòng bìng fǔ​zhù hū​xī.

    Air sacs in birds help reduce weight and assist in breathing during flight.

    Source: Dong Chinese Dictionary