n. a level tract of land
n. a shallow box in which seedlings are started
n. a musical notation indicating one half step lower than the note named
n. a deflated pneumatic tire
a. 平坦的, 单调的, 无力的, 浅的, 萧条的, 干脆的, 无聊的
adv. 平直地, 断然地
n. 扁平物, 平面, 平地, 平原, 平板车
v. (使)变平
1. The cake is flat because I forgot to add baking powder.
这个蛋糕很平，因为我忘了加发酵粉。
2. She prefers to live in a flat rather than a house.
她更喜欢住在公寓里，而不是房子里。
3. The tire is flat, so we need to pump it up.
轮胎瘪了，所以我们需要给它充气。