🧩 词语组成解析
ebb
[eb]
vi. （指潮水）退;跌落;减少;衰落;
n. 退潮;落潮;衰退;减少;
off
[ɔ:f, ɔf]
prep. 从…落下;离开;从…去掉;下班;
adv. 离开;距，离;被取消;下班;
adj. 不新鲜的;不能接受;不礼貌;
n. 起跑;
v. 杀死;
🗣️ 情景例句
It is OK to ask children how old they are.
问小孩多大了是可以的。
I always used to leave for work at 8:30.
我过去总是在8:30离开去工作。
Hay had been cut and cowsheds had been cleaned.
干草已切好，牛棚也打扫干净了。