Left-hand spring
[化] 左旋弹簧
🧩 词语组成解析
left
[lɛft]
adj. 左边的，左侧的;左派的;
n. 左，左面;[军]左翼;左派，激进分子;
adv. 向左;在左边;
v. 离开( leave的过去式和过去分词);
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
spring
[sprɪŋ]
n. 春季;泉水，小溪;弹簧，弹性;跳跃;
vi. 跳，跃;突然发出或出现;发源;劈开，裂开;
vt. 突然跳出;跳过;使开裂;
adj. 春天的;弹簧的，有弹性的;
🗣️ 情景例句
It was wonderful.
太好了。
You'd better wear a light jacket.It's chilly today.
你今天最好穿一件浅色的夹克衫。 今天很冷。
First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一点，脑电图记录仪（不过是一种把电极接到头皮上记录脑电活动的仪器）显示，人在睡眠时大脑活动的方式有变化，