Từ điển

Đăng nhập để lưu từ vào sổ tay và ôn lại sau.

• oxygen

  B1

  Nói thử

  oxy

• 氧气

  yǎng qì

  Nói thử

  oxy

  oxygen

• air

  danh từ·A2

  Nói thử

  không khí

  the invisible mixture of gases (such as nitrogen and oxygen) that surrounds the Earth and that people and animals breathe

  These laws are meant to produce cleaner air.

• blood

  US/blʌd/

  danh từ·A2

  Nói thử

  máu

  the fluid that circulates in the heart, arteries, capillaries, and veins of a vertebrate animal carrying nourishment and oxygen to and bringing away waste products from all parts of the body

  The accident victim has already lost a lot of blood.