Left null element
[计] 左零元
🧩 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);
element
['ɛləmənt]
n. [化]元素;要素;原理;[电]电阻丝;
🗣️ 情景例句
My girlfriend recently broke my heart.
我的女朋友最近伤了我的心。
She was promoted on the basis of her accomplishment.
她是依其成就得到晋升的。
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年还要派狗到雪山地里去帮助那些遇到困难的旅游者，