1.Seawater 海水
Tide pool 潮池; 潮水潭
Crab [kræb] n. 蟹，螃蟹
Starfish ['stɑr'fɪʃ] n. 海星
Sea urchin ['ɜːtʃɪn] n. 海膽
2.Addend ['ædend] n.加數
If you change the order of the addends, you get the same sum.
如果更改加數的順序，則得到相同的和。
3.Cactus ['kæktəs] n. 仙人掌
複數：cacti ['kæktaɪ] /cactuses
Mark's favorite plant is a cactus.
馬克最喜歡的植物是仙人掌。
Jackson likes big cacti.
傑克遜喜歡大仙人掌。
Have you ever seen a cactus?
你見過仙人掌嗎？
Spine [spaɪn] n. 刺
Stem [stɛm] n. 莖
Cacti have sharp leaves called spines. They have thick stems that store water.
仙人掌有鋒利的葉子，叫做刺。它們的莖很厚，可以儲存水分。
4.Hour ['aʊr] n. 小時
Morning, afternoon, and evening are times of the day.
早上、下午和晚上是一天中的時間。
Minute hand 分針
Hour hand 時針，短針
Look at the picture. The hour hand is shorter.
看這幅畫。時針較短。
It points to the hour.
它指向的是小時。
The hour hand is on 5. It's five o'clock.
時針指向5。五點鐘了。
The minute hand is longer.
分針更長。
It points to the minutes.
它指向的是分鐘。
The minute hand is on 12.
分針指向12。
5.Half hour 半小時
The minute hand points to 6. The hour hand is between 5 and 6. It is 5:30 or half past 5.
分針指向6。時針在5到6之間。現在是5點半。
The buses leave in order every half hour.
公共汽車每半小時一班。
6.Clock [klɑk] n. 時鐘
Analog clock ['ænəlɔg] 指針式時鐘
Digital clock 數字顯示式時鐘
Where are the hour hand and the minute hand when it is 7 o'clock?
四點鐘的時候，時針和分針在哪裡？
7.Recess ['risɛs] n. 休息/v. 休息
What time do they go to recess?
他們什麼時候去休息？
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