semipermeable

/ˌsɛmaɪ-/

Meanings

adjective

半渗透，选择透过性的，半透的

Permeable to some things and not to others, as a cell membrane which allows some molecules through but blocks other substances.

Examples :

"The cell membrane is semipermeable, allowing water to pass through but preventing larger molecules like sugar from entering. "

细胞膜是半渗透性的，允许水分子通过，但阻止像糖这样的大分子进入。

Related Words

through noun

/θɹuː/ /θɹu/

贯石, 穿石。

"The dry-stone wall used a large, flat through to support the top stones. "

这堵干砌石墙用了一块又大又平的贯石来支撑顶部的石头。

preventing verb

/pɹɪˈvɛntɪŋ/

阻止，防止，避免

"I brush my teeth regularly to prevent them from turning yellow."

我定期刷牙，是为了防止牙齿变黄。

permeable adjective

/ˈpɜːrmiəbəl/ /ˈpɜːrmɪəbəl/

可渗透的，能渗透的.

"Rainwater sinks through permeable rock to form an underground reservoir."

雨水渗过可渗透的岩石，形成了地下水库。

things noun

/θɪŋz/

东西，事物，物件

""I need to buy a few things at the grocery store, like milk and bread." "

我需要去超市买一些东西，比如牛奶和面包。

blocks noun

/blɒks/ /blɑks/

块，方块。

"a block of ice"

一块冰

membrane noun

/ˈmembɹeɪn/

膜, 薄膜

"The cell membrane controls what enters and leaves the cell. "

细胞膜控制着什么物质可以进入和离开细胞。

substances noun

/ˈsʌbstənsɪz/ /ˈsʌbstənzɪz/

物质，材料，东西。

"The science class experimented with different substances to see how they reacted to heat. "

科学课用不同的物质做实验，观察它们对热的反应。

others noun

/ˈʌðəz/ /ˈʌðɚz/

别人，他人

""She helped me with my homework, and I helped others with theirs." "

她帮我做作业，我也帮别人做作业。

entering verb

/ˈɛn.təɹ.ɪŋ/

进入，进去.

"You should knock before you enter, unless you want to see me naked."

除非你想看我光着身子，不然你应该先敲门再进入.

molecules noun

/ˈmɑːlɪkjuːlz/ /ˈmɒlɪkjuːlz/

分子

"Hydrogen chloride is a diatomic molecule, consisting of a hydrogen atom and a chlorine atom."

氯化氢是双原子分子，它由一个氢原子和一个氯原子构成。

allowing verb

/əˈlaʊɪŋ/

允许, 准许

"to allow a servant his liberty; to allow a free passage; to allow one day for rest"

允许仆人获得自由；允许自由通行；允许有一天休息。

allows verb

/əˈlaʊz/

允许，准许。