Pectic substances
[机] 果胶物质
🧩 词语组成解析
a. 果胶的, 粘胶质的
n. 物质( substance的复数形式 ); 实质; 物体; [哲学]1)。 本质
🗣️ 情景例句
I just received your letter and I want to let you know my opinion on your plans for the future.
来信已收到，我想告诉你我对你将来打算的看法。
The paint bucket fell down on his head.
油漆桶扣在了他的头上。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。