Back sweetening
[机] 反脱臭
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
sweetening
[['swi:təniŋ]]
n. 弄甜, 变甜, 甜味剂
🗣️ 情景例句
I'm glad I ran into you. Where have you been hiding lately?
我很高兴碰见你，你躲到哪里去了？
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，